Skin science article
Olay Regenerist Retinol 24 + Peptide Night Moisturizer Versus Lancôme Renergie Multi-lift Ultra Full Spectrum Anti-ageing Cream
Olay Regenerist Retinol 24 + Peptide Night Moisturizer Versus Lancôme Renergie Multi-lift Ultra Full Spectrum Anti-ageing Cream This anti-aging night moisturizer is formulated around Retinol and Niacinamide to soften the look of wrinkles and refine skin textur
Olay Regenerist Retinol 24 + Peptide Night Moisturizer Versus Lancôme Renergie Multi-lift Ultra Full Spectrum Anti-ageing Cream
This anti-aging night moisturizer is formulated around Retinol and Niacinamide to soften the look of wrinkles and refine skin texture.
This anti-aging treatment is formulated around 3-O-Ethyl Ascorbic Acid and Adenosine to soften the look of wrinkles and brighten dull-looking skin.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Dimethicone
Glycerin
Tapioca Starch
Dimethicone Crosspolymer
Retinol
Retinyl Propionate
Niacinamide
Palmitoyl Pentapeptide-4
Polyacrylamide
C13-14 Isoparaffin
DMDM Hydantoin
Polysorbate 20
Laureth-4
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Laureth-7
Dimethiconol
Polymethylsilsesquioxane
Aminomethyl Propanol
Titanium Dioxide
Disodium EDTA
Iodopropynyl Butylcarbamate
Caprylic/Capric Triglyceride
Water, Dimethicone, Glycerin, Tapioca Starch, Dimethicone Crosspolymer, Retinol, Retinyl Propionate, Niacinamide, Palmitoyl Pentapeptide-4, Polyacrylamide, C13-14 Isoparaffin, DMDM Hydantoin, Polysorbate 20, Laureth-4, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Laureth-7, Dimethiconol, Polymethylsilsesquioxane, Aminomethyl Propanol, Titanium Dioxide, Disodium EDTA, Iodopropynyl Butylcarbamate, Caprylic/Capric Triglyceride
Butyrospermum Parkii Butter
Octyldodecanol
Butylene Glycol
Cetyl Alcohol
PEG-100 Stearate
Glyceryl Stearate
3-O-Ethyl Ascorbic Acid
Tocopheryl Acetate
Guanosine
Cyathea Medullaris Leaf Extract
Vaccinium Myrtillus Fruit Extract
Saccharum Officinarum Extract
Hydroxypropyl Tetrahydropyrantriol
Sodium Citrate
Hydrolyzed Linseed Extract
Hydrolyzed Lupine Protein
Sodium Benzoate
Sodium Levulinate
Stearic Acid
Phenoxyethanol
Phenylethyl Resorcinol
Adenosine
Acer Saccharum Extract
Palmitic Acid
Chlorphenesin
Poloxamer 338
Limonene
Xanthan Gum
Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Benzyl Alcohol
Cinnamic Acid
Propylene Glycol
2-Oleamido-1,3-Octadecanediol
Leontopodium Alpinum Extract
Biosaccharide Gum-1
Alpha-Isomethyl Ionone
Myristic Acid
Geraniol
Citric Acid
Potassium Hydroxide
Citrus Aurantium Dulcis Fruit Extract
Citrus Limon Fruit Extract
Potassium Sorbate
BHT
Levulinic Acid
Hexyl Cinnamal
Glyceryl Caprylate
Parfum
Water, Glycerin, Dimethicone, Butyrospermum Parkii Butter, Octyldodecanol, Butylene Glycol, Cetyl Alcohol, PEG-100 Stearate, Glyceryl Stearate, 3-O-Ethyl Ascorbic Acid, Tocopheryl Acetate, C13-14 Isoparaffin, Guanosine, Cyathea Medullaris Leaf Extract, Vaccinium Myrtillus Fruit Extract, Saccharum Officinarum Extract, Hydroxypropyl Tetrahydropyrantriol, Sodium Citrate, Hydrolyzed Linseed Extract, Hydrolyzed Lupine Protein, Sodium Benzoate, Sodium Levulinate, Stearic Acid, Phenoxyethanol, Phenylethyl Resorcinol, Adenosine, Acer Saccharum Extract, Palmitic Acid, Polyacrylamide, Chlorphenesin, Poloxamer 338, Limonene, Xanthan Gum, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Benzyl Alcohol, Cinnamic Acid, Propylene Glycol, 2-Oleamido-1,3-Octadecanediol, Leontopodium Alpinum Extract, Biosaccharide Gum-1, Alpha-Isomethyl Ionone, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Myristic Acid, Geraniol, Disodium EDTA, Citric Acid, Potassium Hydroxide, Citrus Aurantium Dulcis Fruit Extract, Citrus Limon Fruit Extract, Potassium Sorbate, BHT, Laureth-7, Levulinic Acid, Hexyl Cinnamal, Glyceryl Caprylate, Parfum
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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.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken, emulsify, and improve the texture of products.
As an emulsifier, it helps stabilize oil-in-water emulsions to give products an elegant feel when applied.
It can also form a thin protective film on skin. One study found that a formula using this polymer helped slow down how quickly other ingredients (like DEET) were absorbed through skin.
A 2024 study of over 1,300 patients confirmed that sensitization to this ingredient is rare. It is also non-mutagenic and has a clean track record.
C13-14 Isoparaffin is a synthetic emollient, solvent, and thickening agent. It helps soften skin and improves spreadability without leaving a greasy residue.
This ingredient has been found to be non-sensitizing and safe for use in cosmetics.
Two things floating around online that cause fear-mongering:
There's one scary-sounding study related to kidney tumors in male rats; this depends on a protein called alpha-2u-globulin that binds the ingredient and clogs up kidney cells. Female rats barely make this protein, and humans don't make it at all so this effect cannot happen to us. Regulatory bodies have states this rat-only pathway shouldn't be used to judge human risk.
The other thing you'll see is 1,4-dioxane being a trace byproduct that can form during manufacturing of petroleum-derived ingredients. This is a real, but heavily managed/monitored issue. This byproduct is removed through purification steps before the ingredients goes into the formula. Regulatory bodies also actively monitor residual levels for safety.
One last thing to note: this ingredient is a pure hydrocarbon with no fatty-acid or ester chains for Malassezia to feed on, so it's considered fungal acne safe.
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.
Laureth-7 is created by the ethoxylation of lauryl alcohol using ethylene oxide. Lauryl alcohol is a fatty alcohol with hydrating properties.
This ingredient is an emulsifier and cleansing ingredient. As an emulsifier, it is used to prevent ingredients from separating. It also helps cleanse the skin by gathering dirt, oil, and pollutants to be rinsed away.
Polyacrylamide is a synthetic polymer. It is used to stabilize products and bind ingredients. When hydrated, Polyacrylamide forms a soft gel.
Polyacrylamide is low-toxicity. If source properly, it is deemed safe to use in cosmetics.
It should be noted the precursor to Polyacrylamide is acrylamide. Acrylamide is a carcinogen. Most reputable sources of Polyacrylamide will screen for residual acrylamide to make sure the count is in a safe range. Acrylamide is not able to be absorbed through the skin.
We recommend speaking with a professional if you have concerns.
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!