Updated on November 16, 2023
Overview
Cool Features
They both contain peptides and retinoid
Suited For
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, oily skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Olay Regenerist Retinol 24 Night Facial Moisturizer 24 ingredients
Paula's Choice Resist Barrier Repair Moisturizer with Retinol 28 ingredients
At a glance
Click on any of the items below to learn more
Olay Regenerist Retinol 24 Night Facial Moisturizer 24 ingredients
Paula's Choice Resist Barrier Repair Moisturizer with Retinol 28 ingredients
Notable Ingredients
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Benefits
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Concerns
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Benefits
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Concerns
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Ingredients Side-by-side
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.
Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Dimethicone Crosspolymer is a silicone created by modifying dimethicone with hydrocarbon side chains. Due to its large size, it does not penetrate skin. It is considered non-occlusive.
8 Benefits 3 Concerns
Retinol is a gold-standard ingredient for anti-aging. It is a form of Vitamin A and belongs to the class of retinoids that also includes tretinoin.
7 Benefits 2 Concerns
Retinyl Propionate is a retinoid. Retinoids are the gold-standard class of anti-aging ingredients.
6 Benefits
Niacinamide has emerged as an all-star ingredient due to its many benefits.
Not safe for Fungal Acne
You might know this ingredients as Matrixyl. It is a peptide.
Polyacrylamide is a synthetic polymer. It is used to stabilize products and bind ingredients. When hydrated, Polyacrylamide forms a soft gel.
C13-14 Isoparaffin is created from petroleum-based mineral oils. It is an emollient and helps thicken a product.
2 Concerns
DMDM Hydantoin has antimicrobial and antifungal properties. It is a preservative that works by slowly releasing formaldehyde over time.
Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.
Laureth-4 is created by reacting ethylene oxide with Lauryl Alcohol. It is a surfactant and emulsifier.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken and improve the texture of products.
Laureth-7 is created by the ethoxylation of lauryl alcohol using ethylene oxide. Lauryl alcohol is a fatty alcohol with hydrating properties.
Dimethiconol is a silicone that resembles the popular dimethicone. Like other silicones, it is an emollient. Emollients create a thin film on skin to prevent moisture from escaping.
Polymethylsilsesquioxane is a silicone used as a film forming agent.
Aminomethyl Propanol is used to adjust the pH of products. It is also used as a base to create other organic compounds. Having a balanced pH is important for protecting your skin.
Non-Reef-Safe
Titanium dioxide is known for its UVA and UVB protection properties. It is non-comedogenic and non-irritating. Titanium Dioxide is a physical sunscreen. Physical sunscreens reflect light and prevent it from reaching your skin.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
This ingredient is an emollient and helps give products a dry but silky feel.
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, Caprylyl Caprylate, Aminopeptidase
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.
Dicaprylyl Carbonate comes from carbonic acid and caprylyl alcohol, a fatty alcohol. It is an emollient and gives skin a velvet feel. The sources of Dicaprylyl Carbonate may be synthetic or from animals.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Ethylhexyl Stearate is an ester of 2-ethylhexyl alcohol and stearic acid. It is an emulsifier, emollient, and texture enhancer.
Cocoglycerides is made from the mono, di and triglycerides of coconut oil. It is an emollient and emulsifer.
2 Concerns
Butyrospermum Parkii Butter is a plant lipid from the fruit of the Shea Tree. It is an effective skin hydrator and emollient.
Squalane is an emollient that helps the skin hold onto moisture. It's an oily liquid that occurs naturally in certain types of fish and plant oils.
Lecithin is a term for a group of substances found in plants, animals, and humans. They are made up of mixture of fatty acids. These fatty acids usually are a mixture of phosphoric acid's choline ester connected to stearic, oleic, and palmitic acids. Most lecithins are created from plant ingredients scuh as sunflower.
Adenosine is in every living organism. It is one of four components in nucleic acids that helps store our DNA.
Not safe for Fungal Acne
Palmitoyl Tripeptide-1 is a 3-amino acid peptide. Peptides are building blocks for protein.
8 Benefits 3 Concerns
Retinol is a gold-standard ingredient for anti-aging. It is a form of Vitamin A and belongs to the class of retinoids that also includes tretinoin.
Camellia Oleifera Leaf Extract is the extract of the leaves of Camellia Oleifera, Theaceae.
Glycyrrhiza Glabra Root Extract is an extract of the roots of Licorice. It has been found to have several benefits such as skin hydrating, conditioning, and soothing.
Antioxidant Helps brighten skin
Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.
Chamomilla Recutita Extract comes from the Chamomile flower.
Glycine Soja Seed Extract comes from the seed of the wild soybean plant. Wild soybean extract contains fatty acids (linoleic, oleic, linolenic), vitamin E, and antioxidants.
Not safe for Fungal Acne
Glycine Soja Oil comes from the soybean. Glycine Soja is native to eastern Asia.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.
Water, Dicaprylyl Carbonate, Glycerin, Ethylhexyl Stearate, Cocoglycerides, Butyrospermum Parkii Butter, Squalane, Sodium Polyacrylate, Lecithin, Adenosine, Palmitoyl Tripeptide-1, Ceramide NP, Retinol, Punica Granatum Extract, Camellia Oleifera Leaf Extract, Glycyrrhiza Glabra Root Extract, Tetrahydrodiferuloylmethane, Tetrahydrodemethoxydiferuloylmethane, Tetrahydrobisdemethoxydiferuloylmethane, Tocopheryl Acetate, Chamomilla Recutita Extract, Glycine Soja Seed Extract, Glycine Soja Oil, Butylene Glycol, Propylene Glycol, Glyceryl Polymethacrylate, Xanthan Gum, Phenoxyethanol
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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. Stay hydrated!
Learn more about WaterGlycerin is already naturally found in your skin. It helps moisturize and protect your skin.
A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.
As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.
Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.
Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.
In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.
This ingredient is organic, colorless, odorless, and non-toxic.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinRetinol is a gold-standard ingredient for anti-aging. It is a form of Vitamin A and belongs to the class of retinoids that also includes tretinoin.
Why is retinol famous?
It has the most scientific studies backing up its skin benefits out of all the non-prescription ingredients.
Retinol is proven to:
This is why retinol is effective at removing wrinkles, fading dark spots, treating acne, and reducing the appearance of pores.
Studies show retinol is less effective when exposed to UV. Be sure to look for appropriate packaging to keep your retinol potent (similar to Vitamin C).
Using retinol or any retinoids will increase sun-sensitivity in the first few months. Though studies show retinoids increase your skin's natural SPF with continuous use, it is best to always wear sunscreen and sun-protection.
We recommend speaking with a medical professional about using this ingredient during pregnancy.
Retinol may cause irritation in some people, so be sure to patch test. Experts recommend 'ramping up' retinol use: start using this ingredient once a week and work up to using it daily.
Read about Tretinoin
Learn more about RetinolIngredient Ratings
Here's what our community thinks of the ingredients in these two products.
When to use
Olay Regenerist Retinol 24 Night Facial Moisturizer 24 ingredients
Paula's Choice Resist Barrier Repair Moisturizer with Retinol 28 ingredients
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