Skin science article
Paula's Choice Omega+ Complex Moisturizer Versus La Roche-Posay Lipikar Daily Repair Moisturizing Lotion
Paula's Choice Omega+ Complex Moisturizer Versus La Roche-Posay Lipikar Daily Repair Moisturizing Lotion This barrier-repair moisturizer is formulated around Butyrospermum Parkii Butter and Linoleic Acid to strengthen the skin barrier and hydrate skin. What's
Paula's Choice Omega+ Complex Moisturizer Versus La Roche-Posay Lipikar Daily Repair Moisturizing Lotion
This barrier-repair moisturizer is formulated around Butyrospermum Parkii Butter and Linoleic Acid to strengthen the skin barrier and hydrate skin.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Butyrospermum Parkii Butter
Ceteareth-6 Olivate
Butylene Glycol
C13-15 Alkane
Glycerin
Glyceryl Stearate
Polyglyceryl-4 Laurate
Decyl Oleate
Linum Usitatissimum Seed Oil
Salvia Hispanica Seed Oil
Olea Europaea Fruit Oil
Passiflora Edulis Seed Oil
Borago Officinalis Seed Oil
Hydrogenated Olive Oil
Psidium Guajava Fruit Extract
Olea Europaea Oil Unsaponifiables
Limnanthes Alba Seed Oil
Linoleic Acid
Linolenic Acid
Oleic Acid
Euterpe Oleracea Sterols
Ceramide AP
Ceramide EOP
Ceramide NP
Serine
Alanine
Glycine
Proline
Lysine Hcl
Threonine
Arginine
Squalane
Cholesterol
Phytosphingosine
Anastatica Hierochuntica Extract
Lecithin
Sodium Hyaluronate
Sodium Lactate
Boerhavia Diffusa Root Extract
Adenosine
Phytic Acid
Glutamic Acid
Betaine
Pullulan
PCA
Sodium PCA
Carbomer
Sodium Polyacrylate Starch
Sclerotium Gum
Xanthan Gum
Sodium Lauroyl Lactylate
Phenoxyethanol
Ethylhexylglycerin
Water, Butyrospermum Parkii Butter, Ceteareth-6 Olivate, Butylene Glycol, C13-15 Alkane, Glycerin, Glyceryl Stearate, Polyglyceryl-4 Laurate, Decyl Oleate, Linum Usitatissimum Seed Oil, Salvia Hispanica Seed Oil, Olea Europaea Fruit Oil, Passiflora Edulis Seed Oil, Borago Officinalis Seed Oil, Hydrogenated Olive Oil, Psidium Guajava Fruit Extract, Olea Europaea Oil Unsaponifiables, Limnanthes Alba Seed Oil, Linoleic Acid, Linolenic Acid, Oleic Acid, Euterpe Oleracea Sterols, Ceramide AP, Ceramide EOP, Ceramide NP, Serine, Alanine, Glycine, Proline, Lysine Hcl, Threonine, Arginine, Squalane, Cholesterol, Phytosphingosine, Anastatica Hierochuntica Extract, Lecithin, Sodium Hyaluronate, Sodium Lactate, Boerhavia Diffusa Root Extract, Adenosine, Phytic Acid, Glutamic Acid, Betaine, Pullulan, PCA, Sodium PCA, Carbomer, Sodium Polyacrylate Starch, Sclerotium Gum, Xanthan Gum, Sodium Lauroyl Lactylate, Phenoxyethanol, Ethylhexylglycerin
Sorbitan Stearate
Paraffinum Liquidum
Niacinamide
Vitis Vinifera Seed Oil
Aluminum Starch Octenylsuccinate
Dimethicone
Beeswax
Sorbitan Tristearate
Sodium Hydroxide
Poloxamer 338
Ammonium Polyacryloyldimethyl Taurate
Disodium EDTA
Sucrose Cocoate
Caprylyl Glycol
Citric Acid
T-Butyl Alcohol
Cetyl Palmitate
BHT
Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Chlorhexidine Digluconate
Water, Butyrospermum Parkii Butter, Glycerin, Sorbitan Stearate, Paraffinum Liquidum, Niacinamide, Vitis Vinifera Seed Oil, Aluminum Starch Octenylsuccinate, Dimethicone, Beeswax, Sorbitan Tristearate, Carbomer, Sodium Hydroxide, Poloxamer 338, Ammonium Polyacryloyldimethyl Taurate, Disodium EDTA, Sucrose Cocoate, Caprylyl Glycol, Citric Acid, T-Butyl Alcohol, Cetyl Palmitate, BHT, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Chlorhexidine Digluconate
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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.
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.
Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture.
Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%.
It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier.
Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%.
A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions.
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!