Overview
Cool Features
They both contain Vitamin E
Suited For
They're both likely to be good for dry skin and brightening skin
Free From
They both do not contain any sulfates
What's Inside
They both contain oils
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
Kiehl's Ultra Facial Moisturizer 23 ingredients
Sk-II R.N.A. POWER Anti-Aging Face Cream 47 ingredients
At a glance
Click on any of the items below to learn more
Kiehl's Ultra Facial Moisturizer 23 ingredients
Sk-II R.N.A. POWER Anti-Aging Face Cream 47 ingredients
Notable Ingredients
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 3 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients that may have this attribute:
Concerns
This product contains 2 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Notable Ingredients
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 3 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 3 ingredients that may have this attribute:
Concerns
This product contains 2 ingredients that may have this attribute:
This product contains 6 ingredients that may have this attribute:
This product contains 3 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 3 ingredients that may have this attribute:
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.
Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
Dicaprylyl Ether is created from caprylic acid. It is a texture-enhancer and emollient.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Peg-100 Stearate is an emollient and emulsifier. 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.
Glyceryl Stearate is a mix of glycerin and stearic acid.
Not safe for Fungal Acne
Squalene is naturally found in plants and animals, including our skin and sebum. It is a lipid our bodies naturally produce and makes up about 10-12% of the oil on our skin. Our skin produces squalene to keep itself naturally hydrated.
Hydrogenated Polyisobutene is a synthetic polymer. Polymers are compounds with high molecular weight. Hydrogenated Polyisobutene is an emollient and texture enhancer.
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.
Sorbitan Oleate is created from compounds in oleic acid and sorbitol. It is used to stabilize a product by preventing ingredients from separating.
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
Triethanolamine is an emulsifier and pH adjuster. It is created using ethylene oxide and ammonia. This gives Triethanolamine a nitrogen core and a similar scent to ammonia.
Beeswax is natural wax produced by honey bees and can be synthetically created. It consists mainly of fatty acid esters and long-chain alcohols.
Antioxidant 4 Benefits May cause irritation
Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
Stearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.
Myristyl Alcohol is type of fatty alcohol. It is a white, waxy solid and insoluble in water.
Not safe for Fungal Acne
Prunus Amygdalus Dulcis Oil comes from the sweet almond, a tree native to Iran. This oil has no fragrance and is non-volatile.
Not safe for Fungal Acne
Prunus Armeniaca Kernel Oil is oil from the kernels of the Apricot, Prunus armeniaca L., Rosaceae. This oil is non-fragrant and non-volatile.
Not safe for Fungal Acne
Elaeis Guineensis Oil comes from the African Palm tree. This tree is native to Western and Southwestern Africa.
Helps hydrate Dry Skin Not safe for Fungal Acne
Persea Gratissima Oil is made by pressing dehydrated avocado fruit from the tree Persea gratissima, Lauraceae.
Water, Propylene Glycol, Dicaprylyl Ether, Glycerin, Peg-100 Stearate, Glyceryl Stearate, Squalene, Hydrogenated Polyisobutene, Phenoxyethanol, Sorbitan Oleate, Caprylyl Glycol, C10-30 Alkyl Acrylate, Peg-Crosspolymer, Triethanolamine, Beeswax, Tocopherol, Disodium EDTA, Stearic Acid, Myristyl Alcohol, Prunus Amygdalus Dulcis Oil, Prunus Armeniaca Kernel Oil, Elaeis Guineensis Kernel Oil, Persea Gratissima Oil
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.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Not safe for Fungal Acne
Galactomyces Ferment Filtrate (GFF) is a yeast traditionally used to make the Japanese alcoholic beverage, sake.
Isohexadecane is added to enhance texture, emulsify, and to help cleanse. It is an isoparrafin. It is a component of petrolatum.
6 Benefits
Niacinamide has emerged as an all-star ingredient due to its many benefits.
Isopropyl isodecanoate is a lipid created from isopropyl alcohol and isostearic acid.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
2 Concerns
Butyrospermum Parkii Butter is a plant lipid from the fruit of the Shea Tree. It is an effective skin hydrator and emollient.
Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.
Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.
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.
We don't have a description for Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate.
We don't have a description for Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer.
Stearyl Alcohol is a type of fatty alcohol from stearic acid. It is a white, waxy compound used to emulsify ingredients.
This long ingredient is a copolymer of sodium acrylate and sodium acryloyldimethyl taurate monomers.
Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product.
A type of fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product. They are usually derived from natural fats and oils and therefore do not have the same drying or irritating effect as traditional alcohols.
Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.
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.
Fragrance Preservative 6 Concerns
Benzyl Alcohol is most commonly used as a preservative. It also has a subtle, sweet smell. Small amounts of Benzyl Alcohol is not irritating and safe to use in skincare products. Most Benzyl Alcohol is derived from fruits such as apricots.
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.
3 Concerns
Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.
Cetearyl Glucoside is a surfactant and emulsifier. It can be produced from synthetic of natural sources of cetearyl alcohol and glucose.
Paraben 2 Concerns
Methylparaben is a preservative and is a paraben. It is used to prevent the growth of fungus, mold, and other harmful bacteria. Parabens are chemicals used as preservatives in both cosmetics and food.
Peg-100 Stearate is an emollient and emulsifier. 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.
Polymethylsilsesquioxane is a silicone used as a film forming agent.
Polysorbate 80 is a surfactant and emulsifier. It is used to keep ingredients together, and prevent oils and waters from separating.
Stearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
Paraben 2 Concerns
Propylparaben is a preservative and is a paraben with antifungal and antimicrobial properties.
Paraben Non-Reef-Safe
Ethylparaben is a preservative, is a paraben, and is not reef safe.
Sorbitan Oleate is created from compounds in oleic acid and sorbitol. It is used to stabilize a product by preventing ingredients from separating.
Chlorella Vulgaris Extract comes from the microalga, Chlorella vulgaris. It is hydrating and contains antioxidants. Studies also show Chlorella Vulgaris may help in rebuilding collagen and elastin.
Peg-7 Glyceryl Cocoate is created from polyethylene glycol and fatty acids from coconut oil.
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.
2 Concerns
Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.
This ingredient is a vegetable-derived protein made to mimic hydrolyzed collagen. It is created from soy, or glycine soja.
Polyquaternium-7 is a light to clear colored liquid. It is commonly found in haircare products for its film-forming and anti-static properties.
Not safe for Fungal Acne
You might know this ingredients as Matrixyl. It is a peptide.
Ci 77891 is a white pigment from Titanium dioxide. It is naturally found in minerals such as rutile and ilmenite.
Ci 77492 is also hydrated iron III oxide. It's sole purpose is to give a yellow hue to products.
Water, Glycerin, Galactomyces Ferment Filtrate, Isohexadecane, Niacinamide, Isopropyl Isostearate, Butylene Glycol, Butyrospermum Parkii Butter, Caprylic/Capric Triglyceride, Pentylene Glycol, Dimethicone, Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate, Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Stearyl Alcohol, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Cetyl Alcohol, Behenyl Alcohol, Panthenol, Tocopheryl Acetate, Benzyl Alcohol, Dimethiconol, Cetearyl Alcohol, Cetearyl Glucoside, Methylparaben, Peg-100 Stearate, Polymethylsilsesquioxane, Polysorbate 80, Stearic Acid, Disodium EDTA, Propylparaben, Sodium Peg-7 Olive Oil Carboxylate, Ethylparaben, Sorbitan Oleate, Chlorella Vulgaris Extract, Peg-7 Glyceryl Cocoate, Sodium Hydroxide, Parfum, Acanthopanax Senticosus Root Extract, Hydrolyzed Soy Protein, Cynara Scolymus Leaf Extract, Polyquaternium-7, Hydrolyzed Yeast Protein, Palmitoyl Pentapeptide-4, Methylsilanol Tri-Peg-8 Glyceryl Cocoate, Methicone, CI 77891, CI 77492
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 GlycerinPeg-100 Stearate is an emollient and emulsifier. 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.
Peg-100 Stearate helps keep skin soft by trapping moisture in. It helps prevent oil and water from separating in a product. By binding oil and water, it helps remove dirt and oil to be rinsed away.
Sorbitan Oleate is created from compounds in oleic acid and sorbitol. It is used to stabilize a product by preventing ingredients from separating.
Emulsifiers help keep ingredients together, such as oils and water.
Sorbitan Oleate may not be fungal acne safe. It can also worsen oily skin.
Learn more about Sorbitan OleateDisodium EDTA plays a role in making products more stable by aiding other preservatives.
It is a chelating agent, meaning it neutralizes metal ions that may be found in a product.
Disodium EDTA is a salt of edetic acid and is found to be safe in cosmetic ingredients.
Learn more about Disodium EDTAStearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.
As an emollient, stearic acid helps soften skin. It aids the skin's protective barrier by preventing water loss. It also provides a gentle cleansing effect without stripping away natural oils.
Stearic acid may also be used to enhance the texture of products. It can add volume and stabilize ingredients such as water and oil. This can help water and oil ingredients from separating.
Sources of stearic acid include animal or vegetable fats/oils such as coconut or shea. It can be naturally found in butter, cocoa butter, shea butter, vegetable fats, and animal tallow.
This ingredient may not be Malassezia folliculitis, or fungal-acne safe.
Learn more about Stearic AcidIngredient Ratings
Here's what our community thinks of the ingredients in these two products.
When to use
Kiehl's Ultra Facial Moisturizer 23 ingredients
Sk-II R.N.A. POWER Anti-Aging Face Cream 47 ingredients
