La Roche-Posay Toleriane Dermallergo Eye Cream Versus La Roche-Posay Pure Vitamin C Eye Cream

La Roche-Posay Toleriane Dermallergo Eye Cream Versus La Roche-Posay Pure Vitamin C Eye Cream

This barrier-repair eye moisturizer is formulated around Niacinamide and Squalane to strengthen the skin barrier and calm redness.

This anti-aging eye moisturizer is formulated around Ascorbic Acid and Madecassoside to soften the look of wrinkles and brighten dull-looking skin.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Glycerin

Butylene Glycol

Propanediol

Squalane

Butyrospermum Parkii Butter

Pentylene Glycol

Niacinamide

Cellulose

Zea Mays Starch

Polysorbate 20

Salvia Miltiorrhiza Root Extract

Glyceryl Acrylate/Acrylic Acid Copolymer

Sphingomonas Ferment Extract

Ammonium Polyacryloyldimethyl Taurate

Hydroxyacetophenone

Citric Acid

Trisodium Ethylenediamine Disuccinate

Acetyl Dipeptide-1 Cetyl Ester

Water, Glycerin, Butylene Glycol, Propanediol, Squalane, Butyrospermum Parkii Butter, Pentylene Glycol, Niacinamide, Cellulose, Zea Mays Starch, Polysorbate 20, Salvia Miltiorrhiza Root Extract, Glyceryl Acrylate/Acrylic Acid Copolymer, Sphingomonas Ferment Extract, Ammonium Polyacryloyldimethyl Taurate, Hydroxyacetophenone, Citric Acid, Trisodium Ethylenediamine Disuccinate, Acetyl Dipeptide-1 Cetyl Ester

Dimethicone

Limnanthes Alba Seed Oil

Ascorbic Acid

Mannose

Paraffinum Liquidum

Cetyl Alcohol

PEG-100 Stearate

Glyceryl Stearate

Polymethylsilsesquioxane

Potassium Hydroxide

Paraffin

Sodium Styrene/Ma Copolymer

Microcrystalline Wax

Madecassoside

Dimethicone/Vinyl Dimethicone Crosspolymer

Dimethiconol

Disodium EDTA

Hydrolyzed Hyaluronic Acid

Caprylyl Glycol

Xanthan Gum

Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate

Phenoxyethanol

Water, Glycerin, Dimethicone, Butyrospermum Parkii Butter, Limnanthes Alba Seed Oil, Ascorbic Acid, Mannose, Butylene Glycol, Paraffinum Liquidum, Ammonium Polyacryloyldimethyl Taurate, Cetyl Alcohol, PEG-100 Stearate, Glyceryl Stearate, Polymethylsilsesquioxane, Potassium Hydroxide, Paraffin, Sodium Styrene/Ma Copolymer, Microcrystalline Wax, Madecassoside, Dimethicone/Vinyl Dimethicone Crosspolymer, Dimethiconol, Disodium EDTA, Hydrolyzed Hyaluronic Acid, Caprylyl Glycol, Acetyl Dipeptide-1 Cetyl Ester, Xanthan Gum, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Phenoxyethanol

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Alternatives

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Acetyl Dipeptide-1 Cetyl Ester is a peptide composed of amino acids arginine and tyrosine.

This peptide is considered a neurotransmitter peptide, meaning it has pain-relieving and relaxing properties. It has the ability to calm skin irritation from external factors such as chemical stinging or heat.

Neurotransmitter peptides are also often called "botox in a bottle". This is because these peptides have the ability to relax the muscles.

Though relaxing the muscles can prevent expression lines (as we have seen in botox), the studies do not show these peptides to be a botox replacement. The effects of this muscle relaxation is also short-term, as opposed to longer-term results from botox.

Ammonium Polyacryloyldimethyl Taurate is a polymer made from ammonium salts. It works as a thickener, emulsifier, and texture enhancer that gives gel-creams a silky, lightweight feel.

This ingredient is versatile and low-maintenance so manufacturers love working with it.

Typical usage levels in cosmetics are usually low and in the range of 0.015 - 2.3%.

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

This ingredient is also known as shea butter. It is a plant-derived extract from the nuts of the Africa shea tree and one of the most well-studied emollients.

Because it has a high concentration of fatty acids (primarily oleic, stearic, and linoleic) it is able to form a protective barrier on the skin's surface. This helps seal in moisture and prevents transepidermal water loss (TEWL).

In vitro research found an increase in skin hydration by 58% and a decrease in TEWL by 37.8% after 24 hours of applying this ingredient (pretty impressive for a single ingredient!).

Besides hydration, shea butter also contains triterpenes that have anti-inflammatory potential. In particule, lupeol cinnamate has shown the highest anti-inflammatory activity in vivo.

Shea butter also contains vitamins A and E which may contribute to antioxidant activity.

While Shea Butter has an SPF rating of about 3-4, it is not a sunscreen replacement.

This ingredient may not be fungal acne safe because its fatty acids fall within the C11-C24 range that the Malassezia yeast can metabolize.

Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.

Topically, glycerin does several things at once:

Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.

Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.

This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.

Just know very high concentrations (>40%) can feel tacky in low humidity.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!

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