cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (2025)

Water

Also-called: Aqua | What-it-does: solvent

Good old water, aka H2O. The most common skincare ingredient of all. You can usually find it right in the very first spot of the ingredient list, meaning it’s the biggest thing out of all the stuff that makes up the product.

It’s mainly a solvent for ingredients that do not like to dissolve in oils but rather in water.

Once inside the skin, it hydrates, but not from the outside - putting pure water on the skin (hello long baths!) is drying.

One more thing: the water used in cosmetics is purified and deionized (it means that almost all of the mineral ions inside it is removed). Like this, the products can stay more stable over time.

Homosalate

What-it-does: sunscreen

An oil-soluble chemical sunscreen agent that protects the skin from UVB (295-315 nm) with a peak protection at 306 nm. Homosalate isnot a strong UV filter in and of itself (gives only SPF 4.3 protection at max. allowed 10% concentration) and it isnot photostable (looses 10% of its SPF protection in 45 mins) so it alwayshas to be combined with other sunscreens for properprotection.Its big advantage, though, is that it is a liquid and is excellent for dissolving other hard to solubilizepowder sunscreen agents, like the famous Avobenzone.

Regarding Homosalate's safety profile, we do not have the best news. In-vitro (made in the labs) studies have shown that it might have some estrogenic activity. Do not panic, these studies were not conducted on real humans under real world conditions. Still, if you are a 'better safe than sorry' type, be careful when using Homosalate containing sunscreens long-term and full-body.

As of 2020, Homosalate is permitted to be used up to 10% in the EU and 15% in the US, but the EU is currently considering restricting it toonly 1.4% (probably taking effect from 2022).

Ethylhexyl Salicylate

Also-called: Octyl Salicylate, Octisalate | What-it-does: sunscreen | Irritancy: 0 | Comedogenicity: 0

A colorless to light yellowish oily liquid that works as a UVB (280-320nm) sunscreen filter with a peak absorbance at 306 nm. It's not a strong filter in itself, it's always used in combination with other sunscreen agents to further enhance the SPFand to solubilize other solid UV filters.

It has a good safety profile and is allowed to be used at a max concentration of 5% both in the US and in Europe (10% is allowed in Japan).

Diethylamino Hydroxybenzoyl Hexyl Benzoate - goodie

Also-called: Uvinul A Plus, DHHB | What-it-does: sunscreen

Diethylamino Hydroxybenzoyl Hexyl Benzoate is anew generation, chemicalsunscreen agent (not available in the US due to impossible FDA regulations) that's designed for high UVA protection and high photostability. It gives sun protection in the whole UVA range (320-400 nm) with peak protection at 354nm. It can be used up to 10% worldwide except for the US and Canada.

Phenylbenzimidazole Sulfonic Acid - goodie

Also-called: Ensulizole | What-it-does: sunscreen

A chemical sunscreen agent that gives strong protection in the UVB (280-320nm) range with its peak protection at 306 nm. Its special property is that unlike most sunscreen agents, itis not oilbut water soluble, so it isideal to create light, oily skin compatible formulas. It is also fairly photostable and can be used to protect other less stable UV filters (like famous UVA blocker, avobenzone) in the formula. It is approved worldwide and can be used up to 4% in the US and up to 8% in the EU.

Ethylhexyl Triazone - goodie

Also-called: Uvinul T 150, Octyltriazone | What-it-does: sunscreen

Ethylhexyl Triazone is anew generation, chemical sunscreen (not available in the US due to impossible FDA regulations) thatgives the highest photo-stable absorption of all available UVB filters today. It protects in the UVB range (280-320nm) with a peak protection of 314nm. It is an oil soluble, odorless, colorless powder that works well in fragrance-free formulas. It can be used up to 5% worldwide except for the US and Canada.

Butylene Glycol

What-it-does: moisturizer/humectant, solvent | Irritancy: 0 | Comedogenicity: 1

Butylene glycol, or let’s just call it BG, is a multi-tasking colorless, syrupy liquid. It’s a great pick for creating a nice feeling product.

BG’s main job is usually to be a solvent for the other ingredients. Other tasks include helping the product to absorb faster and deeper into the skin (penetration enhancer), making the product spread nicely over the skin (slip agent), and attracting water (humectant) into the skin.

It’s an ingredient whose safety hasn’t been questioned so far by anyone (at least not that we know about). BG is approved by Ecocert and is also used enthusiastically in natural products. BTW, it’s also a food additive.

Dibutyl Adipate

What-it-does: emollient, solvent

A clear, colorless, odorless oily liquid that makes the formula easily spreadable and also makes the skin nice and smooth (emollient). It's especially helpful in sunscreensas it can help to solubilizeUV filters.

Phenethyl Benzoate

What-it-does: emollient, perfuming

cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (1) We don't have description for this ingredient yet.

Silica

What-it-does: viscosity controlling, absorbent/mattifier

A white powdery thing that's the major component of glass and sand. In cosmetics, it’s often in products that are supposed to keep your skin matte as it has great oil-absorbing abilities. It’s also used as a helper ingredient to thicken up productsorsuspendinsoluble particles.

Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine - goodie

Also-called: Tinosorb S, Bemotrizinol | What-it-does: sunscreen

Its INCIname is abit of a mouthful, but Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine is worth recognizing it as it isone of the best sunscreen agents known today. Unfortunately, it's not FDA-approved so you will not find it in sunscreens coming from the US (not because it's not good, but becauseUS regulations make it impossible for newer sunscreen agents to get approved), but it is widely available in other parts of the world like Europe, Australia or Asia.

It is abroad-spectrum (covers the whole UVB and UVA range, 280-400 nm) chemical sunscreen agent with peak protections at about 310 and 345 nm and unlike older UV filters, it's very photostable. It hardlydeteriorates in the presence of UV light and it's also useful in stabilizing other less stable sunscreen agents, like the famous UVA protector, avobenzone.

It's a new generation sunscreen agent that was specifically designed for high SPF and good UVA protectionand based on a 2007 study that compared 18 sunscreen agents available in the EU it really had the best SPF protection(they used the highest concentration allowed by EU regulations from each 18 sunscreens and Trinosorb S gave an SPF 20 all by itself).

It is an oil-soluble, slightly yellowish powder that is not absorbed into the skin too much. This is good news for a sunscreen agent as it needs to be on the surface of the skin to do its job properly. Regarding Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine side effects, we have good news here as well: ithas a great safety profile and unlike a couple of other chemical sunscreens, Trinosorb S (and M) does not showestrogenic activity.

Overall, we think Trinosorb S is one of the best sunscreen options available today.

Are you into sunscreen agents? We have shiny explanations(along with product lists) about others as well:

  • Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, aka Tinosorb M, the good buddy of our current molecule Tinosorb S
  • Tris-Biphenyl Triazine, aka Tinosorb A2B, the newest addition to the Tinosorb family that protects strongly in an in-between wavelength that most other filters miss
  • Ethylhexyl Triazone, aka Uvinul T 150, another new generation sunscreen agent with super-high UVB protection
  • Diethylamino Hydroxybenzoyl Hexyl Benzoate, aka Uvinul A Plus, a new generation sunscreen for UVA protection

Titanium Dioxide (Ci 77891)

Also-called: Titanium Dioxide/Ci 77891;Ci 77891 | What-it-does: colorant | Irritancy: 0 | Comedogenicity: 0

Ci 77891 is the color code of titaniumdioxide.It's a white pigment with great color consistency and dispersibility.

Methyl Methacrylate Crosspolymer

What-it-does: absorbent/mattifier

Porous spherical microbeads (tiny little balls) that can give an elegant silky texture to the products. They are also used toscatter light to reduce the look of fine lines on the skin, as well as to absorb excess oil and give a matt finish.

Isononyl Isononanoate

What-it-does: emollient

An emollient ester with a rich and creamy but non-greasy skin feel. It makes skin supple and protects dry skin.

Aminomethyl Propanol

What-it-does: buffering

Analkaline (high pH, aka basic) material that is used to set the pH of the cosmetic formula to the right value.

Niacinamide - superstar

Also-called: vitamin B3, nicotinamide | What-it-does: cell-communicating ingredient, skin brightening, anti-acne, moisturizer/humectant

  • A multi-functional skincare superstar with several proven benefits for the skin
  • Great anti-aging, wrinkle smoothing ingredient used at 4-5% concentration
  • Fades brown spots alone or in combination with amino sugar, acetyl glucosamine
  • Increases ceramide synthesis that results in a stronger, healthier skin barrier and better skin hydration
  • Can help to improve several skin conditions including acne, rosacea, and atopic dermatitis

Read all the geeky details about Niacinamide here >>

Betaine - goodie

What-it-does: moisturizer/humectant

A sugar beet-derivedamino acid derivative with nice skin protection and moisturization properties. Betaine's special thing is being an osmolyte, a molecule that helps to control cell-water balance. It is also a natural osmoprotectant, meaning that it attracts water away from the protein surface and thusprotects them from denaturation and increases their thermodynamic stability.

It also gives sensorial benefits to the formulaand when used in cleansers, it helps to make them milder and gentler.

Octocrylene

What-it-does: sunscreen

An oil-soluble chemical sunscreen agent that protects skin in the UVB and somewhat in the UVA II range with a peak absorption of 304 nm. Its protection is not strong enough on its own but it is quite photostable (loses 10% of SPF protection in 95 mins) and is often used to stabilize other photo-unstable UV-filters, for example, Avobenzone. It is also often used to improve the water resistance of the products.

Octocrylene's safety profile is generally quite good, though a review study in Contact Dermatitis reports an "increasing number of patients with photo contact allergy to octocrylene." Mainly adults withketoprofen-sensitivity and children with sensitive skin are affected, so if you have a small kid, it is probably better to use octocrylene-free sunscreens.

1,2-Hexanediol

What-it-does: solvent

A really multi-functional helper ingredient that can do several things in a skincare product: it can bring a soft and pleasant feel to the formula, it can act as a humectant and emollient, it can be a solvent for some other ingredients (for example it can help to stabilize perfumesin watery products) and it can also help to disperse pigments more evenly in makeup products. And that is still not all: it can also boost the antimicrobial activity of preservatives.

Glyceryl Stearate

What-it-does: emollient, emulsifying | Irritancy: 0 | Comedogenicity: 1

A super common, waxy, white, solid stuff that helps water and oil to mix together, gives body to creams and leaves the skin feeling soft and smooth.

Chemically speaking, it is the attachment of a glycerin molecule to the fatty acid calledstearic acid. It can be produced from most vegetable oils (in oils three fattyacidmolecules are attached to glycerin instead of just one like here) in a pretty simple, "green" process that is similar to soap making. It's readily biodegradable.

It also occurs naturally in our body and is used as a food additive. As cosmetic chemistColins writes it, "its safety really is beyond any doubt".

Cetyl Alcohol

What-it-does: emollient, viscosity controlling, emulsion stabilising | Irritancy: 2 | Comedogenicity: 2

A so-calledfatty (the good, non-drying kind of)alcohol that does all kinds of things in a skincare product: it makes your skin feel smooth and nice (emollient), helps to thicken up products and also helps water and oil to blend (emulsifier). Can be derived from coconut or palm kernel oil.

Phenoxyethanol

What-it-does: preservative

It’s pretty much the current IT-preservative. It’s safe and gentle, but even more importantly, it’s not a feared-by-everyone-mostly-without-scientific-reason paraben.

It’s not something new: it was introduced around 1950 and today it can be used up to 1% worldwide. It can be found in nature - in green tea - but the version used in cosmetics is synthetic.

Other than having a good safety profile and being quite gentle to the skin it has some other advantages too. It can be used in many types of formulations as it has great thermal stability (can be heated up to 85°C) and works on a wide range of pH levels (ph 3-10).

It’s often used together with ethylhexylglycerin as it nicely improves the preservative activity of phenoxyethanol.

Potassium Cetyl Phosphate

What-it-does: emulsifying, surfactant/cleansing

A white to beige powder that is described as the goldenstandard emulsifier for emulsions (oil+water mixtures) that are difficult to stabilize. It is especially popular in sunscreens as it can boost SPF protection and increase the water-resistance of the formula.

Polyhydroxystearic Acid

What-it-does: emulsifying

A so-called dispersant or dispersing agent that's used in inorganic (titanium dioxide/zinc oxidebased) sunscreens or in make-up products to help to distribute the pigments nicely and evenly on the skin. It's also claimed to increase the UV absorption of the sunscreen formula as well as to reduce the annoying white cast left behind by inorganic sunscreens.

Acrylates/​C10-30 Alkyl Acrylate Crosspolymer

What-it-does: viscosity controlling, emulsion stabilising

Though its long name does not reveal it, this polymer molecule (big molecule from repeated subunits or monomers) is a relative to the super common, water-loving thickener, Carbomer. Both of them are big molecules that contain acrylic acid units, butAcrylates/C10-30 Alkyl Acrylate Crosspolymer also contains some other monomers that are hydrophobic, i.e. water-hating.

This means that our molecule is part water- and part oil-loving, so it not only works as a thickener but also as an emulsion stabilizer. It is very common in gel-type formulas that also contain an oil-phase as well as in cleansers as it also works with most cleansing agents (unlike a lot of other thickeners).

Ammonium Acryloyldimethyltaurate/​VP Copolymer

Also-called: Aristoflex AVC | What-it-does: viscosity controlling

A kind of polymer (big molecule from repeated subunits) thathelps to create beautiful gel-like textures. It's also atexturizer and thickener for oil-in-water emulsions. It gives products a good skin feel and does not make the formula tacky or sticky.

It works over a wide pH range and is used between 0.5-1.2%.

Caprylyl Glycol

What-it-does: moisturizer/humectant, emollient, deodorant

It’s a handy multi-tasking ingredient that gives the skin a nice, soft feel. At the same time, it also boosts the effectiveness of other preservatives, such as the nowadays super commonly used phenoxyethanol.

The blend of these two (caprylyl glycol + phenoxyethanol) is called Optiphen, which not only helps to keep your cosmetics free from nasty things for a long time but also gives a good feel to the finished product. It's a popular duo.

Tromethamine

What-it-does: buffering

It's a little helper ingredient that helps to set the pH of the products to be right. It has an alkaline pH and can neutralizeacidic ingredients.

Hydroxyethyl Acrylate/​Sodium Acryloyldimethyl Taurate Copolymer

Also-called: Sepinov EMT 10 | What-it-does: viscosity controlling, emulsion stabilising

This long-named, polymer molecule (big molecule from repeated subunits) is a helper ingredient that's good at emulsifying andstabilizing oils into water-based formulas. Italso acts as a thickening and gelling agent thatcreates nice, non-sticky and supple textures.It works over a very wide pH range (3-12)and can be used to thicken up low-ph formulas, such as exfoliants. Its recommended used range is 0.3-3%.

PEG-75 Stearate

What-it-does: surfactant/cleansing

cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (2) We don't have description for this ingredient yet.

Sorbitan Sesquioleate

What-it-does: emulsifying | Irritancy: 0 | Comedogenicity: 0-1

A mainly oil loving molecule that helps water and oil to mix nicely, aka emulsifier. In itself, it can create water-in-oil emulsions (when water droplets are dispersedin oil), but it is used mostly next to water-loving emulsifiers to create nice and smooth oil-in-water creams.It can also function as a wetting and dispersing agent helping insoluble particles such as color pigments or inorganic sunscreens (zinc/titanium dioxide) to disperse nice and even in liquids.

Chemically speaking, this molecule is "halfway" between Sorbitan Oleate and Sorbitan Trioleate, meaning that it is also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but in a ratio of 2:3 hence the "Sesqui" part in the molecule's name.

Aluminum Hydroxide

What-it-does: emollient, moisturizer/humectant, viscosity controlling

Officially, CosIng (the official EU ingredient database) lists Aluminum Hydroxide 's functions as opacifying(making the product white and non-transparent), as well as emollient and skin protectant.

However, with a little bit of digging, it turns out Aluminum Hyroxide often moonlights as a protective coating for UV filter superstar Titanium Dioxide. Specifically, it protects our skin from the harmful effects of nasty Reactive Oxygen Species (free radicals derived from oxygen such as Superoxide and Hydrogen Peroxide)generated when Titanium Dioxide is exposed to UV light. Btw, chlorine inswimming pool waterdepletes this protective coating, so one more reason to reapply your sunscreen after a dip in the pool on holiday.

Other than that,Aluminum Hydroxide also often shows up in composite pigment technologies where it is used the other way around (as the base material and not as the coating material) and helps to achieve higher color coverage with less pigment.

Stearic Acid

What-it-does: emollient, viscosity controlling | Irritancy: 0 | Comedogenicity: 2-3

A common multi-tasker fatty acid. It makes your skin feel nice and smooth (emollient), gives body to cream type products and helps to stabilize water and oilmixes (aka emulsions).

Ceteth-20

What-it-does: surfactant/cleansing, emulsifying, surfactant/cleansing

cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (3) We don't have description for this ingredient yet.

Steareth-20

What-it-does: emulsifying, surfactant/cleansing | Irritancy: 1 | Comedogenicity: 2

A waxy solid materialthat helps oil and water to mix together, aka emulsifier. It is derived from the fatty alcohol called stearyl alcoholby ethoxylating it and thus making the molecule more water-soluble.

The end result is a mostly water-loving emulsifier, also called solubilizer that can help to dissolve small amounts of oil-loving ingredients into water-basedproducts. Or it can be combined with more oil-loving emulsifiers (such asits sister,Steareth-2) to create stable emulsions.

Xanthan Gum

What-it-does: viscosity controlling, emulsion stabilising

It's one of the most commonly used thickeners and emulsion stabilizers. If the product is too runny, a little xanthan gum will make it more gel-like.Used alone, it can make the formula sticky and it is a good team player so it is usually combined with other thickeners and so-calledrheology modifiers (helper ingredients that adjust the flow and thus the feel of the formula). The typical use level of Xantha Gum is below 1%, it is usually in the 0.1-0.5% range.

Btw, Xanthan gum is all natural, a chain of sugar molecules (polysaccharide) produced from individual sugar molecules (glucose and sucrose) via fermentation. It’s approved by Ecocert and also used in the food industry(E415).

Polyglyceryl-2 Dipolyhydroxystearate

What-it-does: emulsifying

cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (4) We don't have description for this ingredient yet.

Sodium Phytate

What-it-does: chelating

It’s one of those little helper ingredients that makes sure the product stays the same over time. No color change or anything like that. It does so by neutralizing the metal ions in the formula (that usually get into there from water) that would otherwise cause some not so nice changes.

Glycerin - superstar

Also-called: Glycerol | What-it-does: skin-identical ingredient, moisturizer/humectant | Irritancy: 0 | Comedogenicity: 0

  • A natural moisturizer that’s also in our skin
  • A super common, safe, effective and cheap molecule used for more than 50 years
  • Not only a simple moisturizer but knows much more: keeps the skin lipids between our skin cells in a healthy (liquid crystal) state, protects against irritation, helps to restore barrier
  • Effective from as low as 3% with even more benefits for dry skin at higher concentrations up to 20-40%
  • High-glycerin moisturizers are awesome for treating severely dry skin

Read all the geeky details about Glycerin here >>

Butyl Methoxydibenzoylmethane - goodie

Also-called: Avobenzone | What-it-does: sunscreen

The famous Avobenzone. It is a special snowflake as it isthe only globally available chemical sunscreen agent that provides proper UVA protection (in the US,new generation sunscreen agents are not approved because of impossible FDA regulations). It is the global gold standard of UVA protection and is the most used UVA sunscreen in the world.

It gives very good protection acrossthe whole UVA range (310-400 nmthat is both UVA1 and UVA2) with a peak protection at 360 nm. The problem with it, though, is that it isnot photostable and degrades in the sunlight.Wikipedia saysthat avobenzone loses 36% of its UV-absorptioncapacity after just one hour of sunlight (yep, this is one of the reasons why sunscreens have to be reapplied after a few hours).

The cosmetic's industry is trying to solve the problem by combining avobenzone with other UV filters that enhance its stability (like octocrylene,Tinosorb S or Ensulizole) or by encapsulating it and while both solutions help, neither is perfect. Interestingly, the combination of avobenzone with mineral sunscreens (that is titanium dioxide and zinc oxide) is not a good idea. In the US, it is flat out prohibited as avobenzone becomes unstable when combined with mineral sunscreens.

As for safety, avobenzone has a pretty good safety profile. It counts as non-irritating, and unlike some other chemical sunscreens, it shows no estrogenic effect. The maximum concentration of avobenzone permitted is 5% in the EU and 3% in the US.

Sodium Citrate

What-it-does: chelating, buffering

A little helper ingredient that is used to adjustthe pH of the product. It also helps to keep products stay nice longer by neutralizingthe metal ionsin the formula (they usually come from water).

Citric Acid

What-it-does: buffering

Citric acid comes from citrus fruits and is an AHA. If these magic three letters don’t tell you anything, click here and read our detailed description on glycolic acid, the most famous AHA.

So citric acid is an exfoliant, that can - just like other AHAs - gently lift off the dead skin cells of your skin and make it more smooth and fresh.

There is also some research showing that citric acid with regular use (think three monthsand 20% concentration) can help sun-damaged skin, increase skin thickness and some nice hydrating things called glycosaminoglycans in the skin.

But according to a comparative study done in 1995, citric acid has less skin improving magic properties than glycolic or lactic acid. Probably that’s why citric acid is usually not used as an exfoliant but more as a helper ingredient in small amounts to adjust the pH of a formulation.

Acrylates Copolymer

What-it-does: viscosity controlling

A big polymer molecule that has a bunch of different versions and thus different uses. It can act as afilm former, asathickening agent, or it canincrease the water-resistance in sunscreens. It is alsoused toentrappigments/inorganic sunscreens within a micron size matrix for even coverage and easy application.

Carnosine - goodie

What-it-does: antioxidant, cell-communicating ingredient

Though its name does not reveal it,Carnosine is a peptide, a small, two amino acid (β-Ala-His) one. It is naturally present in high concentrations in muscle and brain tissues, but the one used in cosmetic products is biomimetic, meaning that it is synthetically produced in a lab to copy the natural thing.

A 2017review paper on topical peptides writes about Carnosine that it is a "well-documented aqueous antioxidant with wound healing activity".

Other than that we can write about manufacturer-done in-vitro (in the lab, not on real people) studies that show Carnosine to haveanti-glycation properties. Glycation is the not-so-nice process that happens when we bombard our body with too much sugar that results in damaged body proteins and eventually in more wrinkles.

Also, a manufacturer done in vitro study shows that carnosine might havecollagen-boosing magic power. However, the 2017research paper also mentions that even though Carnosine is a small molecule, it is water soluble and does not penetrate the skin past the top layers so we have some doubt if thecollagen-boosting works in real life. We could find one anti-aging study made on real people that mentions Carnosine, but it was combined with a bunch of other anti-aging actives so it is pretty muchimpossible to know what Carnosine did or did not.

One last thing to mention is that there is also a manufacturer done clinical study (done on real people) thatshows carnosine beingeffective against the damages caused by infrared (IR) radiation. (source)

Hydrogenated Phosphatidylcholine

What-it-does: emulsifying

cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (5) We don't have description for this ingredient yet.

Aloe Barbadensis Leaf Juice - goodie

Also-called: Aloe Vera | What-it-does: soothing, moisturizer/humectant

Aloe Vera is one of today’s magic plants. It does have some very nice properties indeed, though famous dermatologist Leslie Baumann warns us in her book that most of the evidence is anecdotal and the plant might be a bit overhyped.

What research does confirm about Aloe is that it’s a great moisturizer and has several anti-inflammatory (among others contains salicylates, polysaccharides, magnesium lactate and C-glucosyl chromone) as well as some antibacterial components. It also helps wound healing and skin regeneration in general. All in all definitely a goodie.

Panthenol - goodie

Also-called: Pro-Vitamin B5 | What-it-does: soothing, moisturizer/humectant | Irritancy: 0 | Comedogenicity: 0

An easy-to-formulate, commonly used, nice to have ingredient that’s also called pro-vitamin B5. As you might guess from the “pro” part, it’s a precursor to vitamin B5 (whose fancy name is pantothenic acid).

Its main job in skincare products is to moisturise the skin. It’s a humectant meaning that it can help the skin to attract water and then hold onto it. There is also research showing that panthenol can help our skin to produce more lovely lipids that are important for a strong and healthy skin barrier.

Another great thing about panthenol is that it has anti-inflammatory and skin protecting abilities. A study shows that it can reduce the irritation caused by less-nice other ingredients (e.g. fragrance, preservatives or chemical sunscreens) in the product.

Research also shows that it might be useful for wound healing as it promotes fibroblast (nice type of cells in our skin that produce skin-firming collagen) proliferation.

If that wasn’t enough panthenol is also useful in nail and hair care products. A study shows that a nail treatment liquide with 2% panthenol could effectively get into the nail and significantly increase the hydration of it.

As for the hair the hydration effect is also true there. Panthenol might make your hair softer, more elastic and helps to comb your hair more easily.

PEG-30 Phytosterol

What-it-does: emulsifying

cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (6) We don't have description for this ingredient yet.

Polyglyceryl-10 Laurate

What-it-does: surfactant/cleansing, emulsifying

A glycerin-derivedgentle cleansing agentthat is described as being skin and eye-friendly, and not leaving the skin dry or tight. It's also used as a co-emulsifier or solubilizer that helps to blend small amounts of oily things into water-based products.

Chlorphenesin

What-it-does: preservative, antimicrobial/antibacterial

A little helper ingredient that works as a preservative. It works againstbacteria and some species of fungi and yeast. It's often combined with IT-preservative, phenoxyethanol.

Polyglyceryl-10 Diisostearate

What-it-does: emulsifying

cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (7) We don't have description for this ingredient yet.

Isopentyldiol

What-it-does: solvent, moisturizer/humectant, emollient

Awater-soluble, colorless, odorless humectant liquid thatmakes your skin nice and smooth (aka emollient) and gives a dry, non-tacky skin feel. It also has great instant and some longer-lasting moisturizing effectand works in synergy with fellow moisturizer,sorbitol.

Phytosphingosine - goodie

What-it-does: skin-identical ingredient, cell-communicating ingredient, anti-acne, antimicrobial/antibacterial

It's a type of lipid, a so-calledsphingoid base that can be found naturally in the upper layer of the skin. It's found both in "free-form" and as part of famous skin lipids, ceramides.

There is emerging research about Phytosphingosine that shows that it has antimicrobial and cell-communicating properties and is considered part of the skin's natural defense system.

A 2007 study showed thatPhytosphingosine even works againstevil acne-causing bacteria,Propionibacterium acnes and shows promise as a complementing active ingredient in treating acne-prone skin thanks to its anti-inflammatory and antimicrobial activities.

A nice one to spot in the ingredient list. :)

Ceramide NG - goodie

Also-called: Ceramide 2 | What-it-does: skin-identical ingredient

One of the 9 types of ceramides that can be found naturally in the upper layer of the skin. Ceramides make up a big part (about 50%) of the goopy stuff that's between our skin cells (called extracellular matrix) and play a superimportant role in having a healthy skin barrier and keeping the skin hydrated.

We wrote way more about ceramides at ceramide 1, soclick here to know more.

Biosaccharide Gum-4

cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (8) We don't have description for this ingredient yet.

cute press Ci-lab Ultra Barrier Shield Facial Sunscreen SPF50+ Pa++++ [30g.] ingredients (Explained) (2025)
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