Skin science article
Vichy Normaderm Beautifying Anti-Acne Care Versus Paula's Choice Clinical Ceramide-Enriched Firming Moisturizer
Vichy Normaderm Beautifying Anti-Acne Care Versus Paula's Choice Clinical Ceramide-Enriched Firming Moisturizer This acne moisturizer is formulated around Salicylic Acid and Phenylethyl Resorcinol to clear breakouts and balance excess oil. This anti-aging mois
Vichy Normaderm Beautifying Anti-Acne Care Versus Paula's Choice Clinical Ceramide-Enriched Firming Moisturizer
This acne moisturizer is formulated around Salicylic Acid and Phenylethyl Resorcinol to clear breakouts and balance excess oil.
This anti-aging moisturizer is formulated around Sodium Ascorbyl Phosphate and Retinol to soften the look of wrinkles and strengthen the skin barrier.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Salicylic Acid 1.5%
Water
Dimethicone
Glycerin
Hydrogenated Polyisobutene
Alcohol Denat.
Butylene Glycol
Glyceryl Stearate
Ammonium Polyacryloyldimethyl Taurate
Isopropyl Lauroyl Sarcosinate
Octyldodecanol
BHT
PEG-100 Stearate
Stearyl Alcohol
Isobutane
Dimethicone/Vinyl Dimethicone Crosspolymer
Blue 1 Lake
Silica Silylate
Sodium Hydroxide
Silica
Sodium Polyacrylate
Perlite
Phenylethyl Resorcinol
Poloxamer 338
Disodium EDTA
Tocopherol
Capryloyl Salicylic Acid
Capryloyl Glycine
Xanthan Gum
T-Butyl Alcohol
Acrylonitrile/Methyl Methacrylate/Vinylidene Chloride Copolymer
Parfum
Salicylic Acid 1.5%, Water, Dimethicone, Glycerin, Hydrogenated Polyisobutene, Alcohol Denat., Butylene Glycol, Glyceryl Stearate, Ammonium Polyacryloyldimethyl Taurate, Isopropyl Lauroyl Sarcosinate, Octyldodecanol, BHT, PEG-100 Stearate, Stearyl Alcohol, Isobutane, Dimethicone/Vinyl Dimethicone Crosspolymer, Blue 1 Lake, Silica Silylate, Sodium Hydroxide, Silica, Sodium Polyacrylate, Perlite, Phenylethyl Resorcinol, Poloxamer 338, Disodium EDTA, Tocopherol, Capryloyl Salicylic Acid, Capryloyl Glycine, Xanthan Gum, T-Butyl Alcohol, Acrylonitrile/Methyl Methacrylate/Vinylidene Chloride Copolymer, Parfum
Sodium Ascorbyl Phosphate
Cetyl Alcohol
Neopentyl Glycol Diheptanoate
Potassium Cetyl Phosphate
PEG-12 Glyceryl Dimyristate
Bis-Diglyceryl Polyacyladipate-2
Glyceryl Ascorbate
Tetrahexyldecyl Ascorbate
Retinol
Ceramide NP
Ceramide Ns
Ceramide AP
Ceramide EOP
Ceramide Eos
Cholesterol
Caprooyl Phytosphingosine
Caprooyl Sphingosine
Squalane
Punica Granatum Extract
Pongamia Glabra Seed Oil
Glycyrrhiza Glabra Root
Vitis Vinifera
Tocopheryl Acetate
Carnosine
Panthenol
Sodium PCA
Sodium Citrate
Ceteareth-25
Polysorbate 20
Ethylhexyl Stearate
Trideceth-6
Propyl Gallate
Ammonium Acryloyldimethyltaurate/Vp Copolymer
Behenic Acid
Phenoxyethanol
Caprylyl Glycol
Chlorphenesin
Water, Sodium Ascorbyl Phosphate, Cetyl Alcohol, Neopentyl Glycol Diheptanoate, Potassium Cetyl Phosphate, Glyceryl Stearate, PEG-100 Stearate, Glycerin, PEG-12 Glyceryl Dimyristate, Bis-Diglyceryl Polyacyladipate-2, Dimethicone, Glyceryl Ascorbate, Tetrahexyldecyl Ascorbate, Retinol, Ceramide NP, Ceramide Ns, Ceramide AP, Ceramide EOP, Ceramide Eos, Cholesterol, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Squalane, Punica Granatum Extract, Pongamia Glabra Seed Oil, Glycyrrhiza Glabra Root, Vitis Vinifera, Tocopheryl Acetate, Carnosine, Panthenol, Sodium PCA, Butylene Glycol, Sodium Citrate, Ceteareth-25, Polysorbate 20, Ethylhexyl Stearate, Sodium Hydroxide, Trideceth-6, Propyl Gallate, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Sodium Polyacrylate, Behenic Acid, Disodium EDTA, Phenoxyethanol, Caprylyl Glycol, Chlorphenesin
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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.
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.
Dimethicone is a type of synthetic silicone created from natural materials such as quartz. It is also known as polydimethylsiloxane.
What it does:
Dimethicone comes in different viscosities:
Depending on the viscosity, dimethicone has different properties.
Ingredients lists don't always show which type is used, so we recommend reaching out to the brand if you have questions about the viscosity.
This ingredient is unlikely to cause irritation because it does not get absorbed into skin. However, people with silicone allergies should be careful about using this ingredient.
Note: Dimethicone may contribute to pilling. This is because it is not oil or water soluble, so pilling may occur when layered with products. When mixed with heavy oils in a formula, the outcome is also quite greasy.
Disodium EDTA is a chelating agent. It grabs onto and deactivates metal ions that sneak into your products from water, packaging, or air.
This ingredient mainly works behind the scenes and helps with:
On top of that, this ingredient can counteract the effects of hard water by binding to the minerals in it.
One thing worth knowing is that Disodium EDTA has been shown to be a mild penetration enhancer. It can help other ingredients absorb into skin more effectively which can be a double-edged sword (great for actives, but can also make the active too strong if you have sensitive skin).
Clinical patch testing showed no significant skin irritation at typical use concentrations and minimal dermal absorption.
You'll most likely see this ingredient near the end of an ingredient list. It's typically found in concentrations less than 1%.
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.
Glyceryl Stearate is made by reacting glycerin with stearic acid (typically sourced from plant oils like palm or coconut). It's an emulsifier, emollient, and mild occlusive.
Emulsifiers help ingredients like oil and water stay mixed so your formula stays nicely blended and uniform in texture.
This ingredient is typically used in concentrations between 1-10%. Studies have found it to be non-sensitizing, non-phototoxic, and non-photoallergenic.
A close cousin of this ingredient is Glyceryl Stearate SE ("self-emulsifying"). This just has a small amount of sodium or potassium stearate added so it can emulsify without a co-emulsifier.
Since this ingredient is an ester of a C18 fatty acid, it may not be fungal acne safe. The Malassezia yeast can potentially metabolize within the C11-C24 range.
Fun fact: The human body also creates Glyceryl Stearate naturally.
Peg-100 Stearate is an emollient and emulsifier. As an emollient, it helps keep skin soft by trapping moisture in. On the other hand, emulsifiers help prevent oil and water from separating in a product.
PEGS are a hydrophilic polyether compound . There are 100 ethylene oxide monomers in Peg-100 Stearate. Peg-100 Stearate is polyethylene glycol ester of stearic acid.
Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.
Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.
"Alkaline" refers to a high pH level. A low pH level would be considered acidic.
Sodium Polyacrylate is the sodium salt of polyacrylic acid. It is used as an absorber, emollient, and stabilizer.
This ingredient is a super-absorbent polymer - meaning it can absorb 100 to 1000 times its mass in water. As an emollient, Sodium Polyacrylate helps soften and soothe skin. Emollients work by creating a barrier to trap moisture in. This helps keep your skin hydrated.
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!