Estée Lauder Revitalizing Supreme+ Youth Power Soft Creme Moisturizer Versus Estée Lauder Resilience Multi-Effect Tri-Peptide Eye Creme

Estée Lauder Revitalizing Supreme+ Youth Power Soft Creme Moisturizer Versus Estée Lauder Resilience Multi-Effect Tri-Peptide Eye Creme

This anti-aging moisturizer is formulated around Moringa Oleifera Seed Extract and Acetyl Hexapeptide-8 to soften the look of wrinkles and hydrate skin.

This anti-aging eye moisturizer is formulated around Butyrospermum Parkii Butter and Acetyl Hexapeptide-8 to soften the look of wrinkles and hydrate skin.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Isononyl Isononanoate

C12-20 Acid PEG-8 Ester

Glycerin

Butylene Glycol

Dimethicone

Butyrospermum Parkii Butter

Cetyl Alcohol

Moringa Oleifera Seed Extract

Hibiscus Sinensis Flower Extract

Sodium Hyaluronate

Acetyl Hexapeptide-8

Laminaria Digitata Extract

Whey Protein

Opuntia Tuna Fruit Extract

Acetyl Glucosamine

Tocopheryl Acetate

Narcissus Tazetta Bulb Extract

Algae Extract

Pyrus Malus Fruit Extract

Cucumis Sativus Fruit Extract

Lens Esculenta Fruit Extract

Citrullus Lanatus Fruit Extract

Laminaria Saccharina Extract

Silybum Marianum Extract

Helianthus Annuus Seed Extract

Sigesbeckia Orientalis Extract

Caffeine

Hordeum Vulgare Extract

Sodium Lactate

Sorbitol

Ethylhexylglycerin

Propylene Glycol Dicaprate

Glucose

Glucose Oxidase

Sodium PCA

Sucrose

Xanthan Gum

Sodium Hydroxide

Carbomer

Pentylene Glycol

Lactoperoxidase

Isoceteth-20

Sodium Dehydroacetate

Potassium Cetyl Phosphate

PEG-100 Stearate

Tetrahexyldecyl Ascorbate

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Ammonium Acryloyldimethyltaurate/Vp Copolymer

Parfum

Potassium Phosphate

Sodium Chloride

BHT

Potassium Sorbate

Sodium Benzoate

Phenoxyethanol

CI 14700

Water, Isononyl Isononanoate, C12-20 Acid PEG-8 Ester, Glycerin, Butylene Glycol, Dimethicone, Butyrospermum Parkii Butter, Cetyl Alcohol, Moringa Oleifera Seed Extract, Hibiscus Sinensis Flower Extract, Sodium Hyaluronate, Acetyl Hexapeptide-8, Laminaria Digitata Extract, Whey Protein, Opuntia Tuna Fruit Extract, Acetyl Glucosamine, Tocopheryl Acetate, Narcissus Tazetta Bulb Extract, Algae Extract, Pyrus Malus Fruit Extract, Cucumis Sativus Fruit Extract, Lens Esculenta Fruit Extract, Citrullus Lanatus Fruit Extract, Laminaria Saccharina Extract, Silybum Marianum Extract, Helianthus Annuus Seed Extract, Sigesbeckia Orientalis Extract, Caffeine, Hordeum Vulgare Extract, Sodium Lactate, Sorbitol, Ethylhexylglycerin, Propylene Glycol Dicaprate, Glucose, Glucose Oxidase, Sodium PCA, Sucrose, Xanthan Gum, Sodium Hydroxide, Carbomer, Pentylene Glycol, Lactoperoxidase, Isoceteth-20, Sodium Dehydroacetate, Potassium Cetyl Phosphate, PEG-100 Stearate, Tetrahexyldecyl Ascorbate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Parfum, Potassium Phosphate, Sodium Chloride, BHT, Potassium Sorbate, Sodium Benzoate, Phenoxyethanol, CI 14700

Cetearyl Alcohol

Cetyl Esters

Polybutene

Isostearyl Neopentanoate

Methyl Glucose Sesquistearate

Polyethylene

Cucumis Melo Fruit Extract

Polygonum Aviculare Extract

Anthemis Nobilis Flower Extract

Linoleic Acid

Persea Gratissima Oil

Decarboxy Carnosine Hcl

Cholesterol

Palmitoyl Tripeptide-1

Palmitoyl Hexapeptide-12

Palmitoyl Tetrapeptide-7

Artemia Extract

Trehalose

Lauryl PCA

Propylene Glycol Dicaprylate

Cetearyl Glucoside

Neopentyl Glycol Diheptanoate

Caprylyl Glycol

1,2-Hexanediol

Faex Extract

Polymethyl Methacrylate

Zinc PCA

Aminopropyl Ascorbyl Phosphate

Potassium Sulfate

PEG-8

Disodium EDTA

Polysorbate 20

Glyceryl Polymethacrylate

Mica

CI 77891

CI 77491

Water, Butyrospermum Parkii Butter, Butylene Glycol, Dimethicone, Glycerin, Cetearyl Alcohol, Cetyl Esters, Cetyl Alcohol, Polybutene, Isostearyl Neopentanoate, Methyl Glucose Sesquistearate, Polyethylene, Citrullus Lanatus Fruit Extract, Lens Esculenta Fruit Extract, Pyrus Malus Fruit Extract, Cucumis Melo Fruit Extract, Polygonum Aviculare Extract, Anthemis Nobilis Flower Extract, Narcissus Tazetta Bulb Extract, Laminaria Digitata Extract, Algae Extract, Linoleic Acid, Persea Gratissima Oil, Decarboxy Carnosine Hcl, Acetyl Hexapeptide-8, Cholesterol, Caffeine, Glucose, Palmitoyl Tripeptide-1, Palmitoyl Hexapeptide-12, Palmitoyl Tetrapeptide-7, Artemia Extract, Sorbitol, Trehalose, Lauryl PCA, Propylene Glycol Dicaprylate, Cetearyl Glucoside, Neopentyl Glycol Diheptanoate, Acetyl Glucosamine, Carbomer, Whey Protein, Caprylyl Glycol, Sodium Hyaluronate, 1,2-Hexanediol, Tocopheryl Acetate, Faex Extract, Polymethyl Methacrylate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Zinc PCA, Sodium PCA, Aminopropyl Ascorbyl Phosphate, Sodium Hydroxide, Sodium Lactate, Potassium Sulfate, PEG-8, Disodium EDTA, BHT, Phenoxyethanol, Potassium Sorbate, Sodium Benzoate, Polysorbate 20, Glyceryl Polymethacrylate, Mica, CI 77891, CI 77491

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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.

Acetyl Glucosamine is an antioxidant and humectant. It is an amino acid sugar and is naturally found in our skin.

The cool thing about this ingredient? It helps the skin produce hyaluronic acid and boost hydration. It also has antioxidant benefits to protect skin cells.

When paired with niacinamide, Acetyl Glucosamine has been shown to be effective at reducing discoloration.

Acetyl Hexapeptide-8 (also known as Argireline) is a synthetic hexapeptide that is often called a "topical Botox alternative".

It works by mimicking how Botox relaxes muscles; it interferes with the signaling process that tells your facial muscles to contract. This can help soften expression lines like forehead wrinkles or crow's feet over time.

The comparison to Botox does have limits because the molecule is water-loving and relatively large.

Acetyl Hexapeptide-8 has a hard time absorbing deeply enough through the skin's outer barrier to actually reach the muscles.

So whether it truly works the way Botox does at a biological level is still up for debate, but early clinical outcomes are fairly encouraging.

A 12 week human study of a multi-ingredient regimen containing this ingredient saw:

While some studies have observed improvements in wrinkle appearance, it is important to note that more consistent results are seen in multi-ingredient formulations (vs just Acetyl Hexapeptide-8 alone).

Some research studies also used higher concentrations (up to 10%) while this ingredient is usually found in concentrations up to 0.005% in leave-on formulations.

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.

Algae Extract is a confusing name. This is because algae is an informal term for a group of 30,000 aquatic organisms that can photosynthesize.

The term 'algae extract' can refer to any one, or a blend of, the 30,000 types.

Algae is rich in antioxidants. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells, such as pollution.

Algae can also help with soothing and hydrating skin.

Many different types of algae have different benefits.

BHT is a synthetic antioxidant and preservative.

As an antioxidant, it helps your body fight off free-radicals. Free-radicals are molecules that may damage your skin cells.

As a preservative, it is used to stabilize products and prevent them from degrading. Specifically, BHT prevents degradation from oxidation.

The concerns related to BHT come from oral studies; this ingredient is currently allowed for use by both the FDA and EU.

However, it was recently restricted for use in the UK as of April 2024.

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.

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.

Caffeine is a naturally occurring plant compound found in coffee beans, tea leaves, cocoa pods, and guarana.

As an antioxidant, caffeine protects your skin from free radical damage caused by UV exposure and envionrmnetal stressors.

Early research also shows that caffeine can help calm redness, soothe irritated skin, and support hair growth by stimulating microcirculation in the scalp.

You might have seen eye creams marketing caffeine as a depuffing ingredient. This is because it is a vasoconstrictor meaning it can temporarily constrict blood vessels, though clinical evidence for this specific use is still limited.

Most skincare products contain this ingredient at concentrations between 1-6%. It is able to penetrate skin easily regardless of skin type or thickness.

Just so you know, a very small number of case reports describe caffeine-induced allergy. This ingredient is generally well-tolerated, non-irritating, and non-sensitizing for the majority of people.

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.

Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product.

Its main roles are:

Though it has "alcohol" in the name, it is not related to denatured alcohol or ethyl alcohol.

The FDA allows products labeled "alcohol-free" to have fatty alcohols.

This ingredient may not be fungal acne safe. It is a primary fatty alcohol with a chain length above 12 carbons. A study from 2019 show Malassezia can feed on fatty alcohols in this range, so it may trigger fungal acne in those prone to it.

Citrullus Lanatus Fruit Extract comes from the watermelon. Watermelon has antioxidant and anti-inflammatory properties.

Watermelons are rich in antioxidants such as Vitamin A, Vitamin C and lycopene. It also contains sugars and amino acids, such as arginine and glutathione.

Lycopene is a potent antioxidant. Besides helping to protect your skin against free-radical molecules, it also helps soothe the skin. Lycopene gives watermelon the distinct red color.

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.

Glucose is a simple sugar (a monosaccharide). In skincare, it is mostly a humectant and skin conditioning agent.

Mechanistically, it has multiple hydroxyl groups that hydrogen-bond to water. This pulls moisture into the upper layers of skin to keep the surface soft and hydrated.

It's worth knowing sugars are already a natural component of the skin's NMF (natural moisturizing factor) so it's a molecule that your stratum corneum is well-acquainted with.

Just so you know, glucose is hydrophilic (water-loving) and the stratum corneum is a strong barrier to hydrophilic compounds. This just means penetration is slow and most of the action is happening on the surface.

Gram-to-gram, glucose is not as efficient as a humectant as glycerin. This is why you'll likely see glycose paired with stronger humectants for a bigger hydration payoff.

In skincare, glucose is typically derived from corn or other starch sources.

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.

Laminaria Digitata Extract comes from the big brown seaweed (or kelp) that grows in the North Atlantic. In skincare, it's mostly used as a skin protectant and conditioning agent.

The most interesting stuff inside is mostly just sugars and minerals: fucoidan (a sulfated polysaccharide), laminarin (a beta-glucan), alginates, and phlorotannins (seaweed polyphenols).

Any antioxidant and soothing claims mostly come from those polysaccharides; crude laminarin and fucoidan from Laminaria digitata do show antioxidant and anti-inflammatory activity in lab assays.

Just know that the lab assays are test-tube work on isolated compounds and not clinical trials on the finished extract.

Realistically, this ingredient is a nice-feeling and hydrating skin conditioner (not really an active).

Safety-wise, it's one of the better documented seaweeds and safe to be used in cosmetics according to the CIR Expert Panel.

Industry surveys find that usage concentrations run can be found up to 5% in bubble baths and leave-on usage is more likely 0.1-3%.

The risk of allergy is also quite low as human repeat insult patch tests (under 5% and blends containing 8-12%) came back non-irritating and non-sensitizing. Rabbit studies came back negative too, though one trade mixture at 1.5-2.5% in water + propylene glycol did cause moderate irritation at 30 minutes.

Reported seaweed allergies in the literature are almost all occupational (people handling wet kelp) or from a totally unrelated blue/green alga.

At this time, there's actually no published comedogenicity test on it and the evidence that does exist points away from clogging.

Laminaria Digitata Extract has never been run through the rabbit ear assay or the Mills & Kligman human model and it isn't in Fulton's 1989 list of tested comedogenic ratings.

The CIR's brown algae review pulled every published and unpublished study industry had on 82 seaweed ingredients and found no comedogenicity data for any of them.

So any number you see online was assigned by a person and not actually measured.

In 2012, Capitanio et al. ran an 8-week double-blind, vehicle-controlled trial in 60 people with mild acne using a Laminaria digitata-derived oligosaccharide complexed with 0.1% zinc pyrrolidone.

They found comedones, papules and pustules dropped significantly more in the active group than the vehicle group at 2, 4 and 8 weeks.

Caveats for this study: a Laminaria digitata-derived oligosaccharide is just fraction and not the plain extract, and the zinc is likely doing real work. Still, the study found comedones went down in acne-prone skin.

This fits mechanistically. Comedogenesis is largely a lipid story and this is water-soluble polysaccharides, minerals, and polyphenols. There's nothing really to plug a follicle with.

The real caveat is the carrier: some supplier versions come dispersed in caprylic/capric triglycerides.

The 0-5 scale comes from applying ingredients to the inside of an albino rabbit's ear. Rabbit follicles are far more reactive than human ones so it over-predicts. Even petrolatum was reassigned as non-comedogenic by the original scientist, Kligman.

Here are three more problems of comedogenic ratings:

We don't have a description for Lens Esculenta Fruit Extract yet.

Narcissus Tazetta Bulb Extract can cause irritation.

Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!).

It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome.

On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive.

Another perk of this ingredient is that it stays functional across a wide pH range (3-10).

You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own.

Typical use concentrations range from 0.3-1% depending on the formula, and this ingredient is capped at 1% int the EU.

Safety-wise, the fear mongering does not hold up to the evidence. The EU's Scientific Committee on Consumer Safety and FDA consider it safe as a preservative at up to 1%, including for children of all ages.

Adverse systemic effects only showed up in animal studies at exposures roughly 200x higher than what people get from cosmetics. And despite its very widespread use, this ingredient is a rare sensitizer and allergic reactions are uncommon.

Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.

This ingredient comes from potassium salt derived from sorbic acid. Sorbic acid is a natural antibiotic and effective against fungus.

Both potassium sorbate and sorbic acid can be found in baked goods, cheeses, dried meats, dried fruit, ice cream, pickles, wine, yogurt, and more.

You'll often find this ingredient used with other preservatives.

Pyrus Malus Fruit Extract is extract from Apples. Apples are rich in Vitamin C, sugars, and antioxidants.

The sugar in Apples are humectants and help hydrate the skin. On top of that, apples also contain some acids, such as malic acid. These acids may have a mild exfoliating effect.

Last, the phytochemicals found in apples are strong antioxidants. These antioxidants help with anti-aging as they protect your skin cells against oxidative damage.

Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.

Both the US FDA and EU Health Committee have approved the use of sodium benzoate. In the US, levels of 0.1% (of the total product) are allowed.

Sodium benzoate works as a preservative by inhibiting the growth of bacteria inside of cells. It prevents the cell from fermenting a type of sugar using an enzyme called phosphofructokinase.

It is the salt of benzoic acid. Foods containing sodium benzoate include soda, salad dressings, condiments, fruit juices, wines, and snack foods.

Studies for using ascorbic acid and sodium benzoate in cosmetics are lacking, especially in skincare routines with multiple steps.

We always recommend speaking with a professional, such as a dermatologist, if you have any concerns.

Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.

In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.

Interestingly, the size of the molecule affects its behavior:

Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.

Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.

You'll typically see concentrations between 0.1-2% for this ingredient.

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 Lactate is the sodium salt of lactic acid, an AHA. It is a humectant and sometimes used to adjust the pH of a product.

This ingredient is part of our skin's NMF, or natural moisturizing factor. Our NMF is essential for the hydration of our top skin layers and plasticity of skin. NMF also influences our skin's natural acid mantle and pH, which protects our skin from harmful bacteria.

High percentages of Sodium Lactate can have an exfoliating effect.

Fun fact: Sodium Lactate is produced from fermented sugar.

Sodium PCA (the salt of PCA) is one of the most well-established humectants in skincare.

Why is it so special? Your skin already makes it naturally; it's a natural component of your skin's Natural Moisturizing Factor (NMF), or the mix of water-binding compounds inside your skin cells that keeps things soft and hydrated.

As a cosmetic ingredient, it grabs water and holds it in the upper layers of skin to smooth roughness and ease dehydration.

There's some clinical support for the NMF approach with a study showing that a cream built to mimic the skin's NMF significantly boosted hydration.

Safety-wise, this ingredient non-irritating, non-comedogenic, and non-phototoxic in testing, with minimal skin absorption.

It also works really well with other hydrators like glycerin or hyaluronic acid, and typical usage is somewhere between 0.2-4%.

Sorbitol is a sugar alcohol. It is a hydrating and moisturizing agent created from the reduction process of glucose.

Most sorbitol is usually made from potato starch. It is also found in fruits such as apples and pears.

As a humectant, Sorbitol helps draw water to the skin. This helps keep the skin hydrated. Sorbitol also helps create a thicker texture in products. You might find sorbitol in your toothpaste and other gels.

It is a non-irritating ingredient that is great for those with dry skin.

Sorbitol is a prebiotic. It helps promote the growth of healthy bacteria on your skin. The bacteria on your skin form a microbiome. This microbiome helps protect your skin from infection and harmful bacteria.

Tocopheryl Acetate is a stable, shelf-friendly form of vitamin E.

Formulators love it because plain vitamin E oxidizes quickly once it hits air. This acetate version stays stable and resists going off, helping to extend a product's shelf life.

It's actually inactive on its own and works like a slow-release "storage" form; the enzymes in your skin called esterases gradually convert it into active vitamin E over time.

One in vivo study showed 5% of the acetate in the living layer of the epidermis converted to vitamin E after 5 days of application. This study also found the skin gained protection against UV damage even though the conversion was slow and small.

Once converted, vitamin E acts as a skin's main fat-soluble antioxidant that fights free radicals to protect skin from damage.

Topical vitamin E generally boosts the skin's photoprotection, and it reduced UV-damage in animal models.

This ingredient has some brightening potential but it's more of a prevention ingredient than spot-fader. Cell studies show it can slow down melanin production but it's worth noting that it's not the most powerful brightener out there.

Overall, it has a pretty solid safety profile and has been found to be non-irritating and non-comedogenic. Allergic reactions may happen but stay rare due to how widely the ingredient gets used.

The concentration will vary depending on the formula; industry data shows 0.1% in baby lotions, 3% in lipsticks, and 5% in foot powders. You can also find this ingredient at 100% in a pure vitamin E oil.

Most leave-on skincare keeps it at the lower end, often between 0.5-1%.

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!

We don't have a description for Whey Protein yet.

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