Skin science article
The INKEY List Hyaluronic Acid Cleanser Versus Niod Sanskrit Saponins (SS)
The INKEY List Hyaluronic Acid Cleanser Versus Niod Sanskrit Saponins (SS) This cream cleanser uses mild cleansing ingredients, but contains alcohol that may feel drying for some. What's inside Key Ingredients No key ingredients Benefits Concerns Ingredients S
The INKEY List Hyaluronic Acid Cleanser Versus Niod Sanskrit Saponins (SS)
This cream cleanser uses mild cleansing ingredients, but contains alcohol that may feel drying for some.
What's inside
Key Ingredients
No key ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Glycerin
Coco-Glucoside
Betaine
Cetearyl Alcohol
Stearic Acid
Phenoxyethanol
Benzyl Alcohol
Xanthan Gum
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Inulin
Ethylhexylglycerin
Sodium Hydroxide
Dehydroacetic Acid
Polyquaternium-10
Trisodium Ethylenediamine Disuccinate
Hydrolyzed Sodium Hyaluronate
Sodium Hyaluronate
Lecithin
Water, Glycerin, Coco-Glucoside, Betaine, Cetearyl Alcohol, Stearic Acid, Phenoxyethanol, Benzyl Alcohol, Xanthan Gum, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Inulin, Ethylhexylglycerin, Sodium Hydroxide, Dehydroacetic Acid, Polyquaternium-10, Trisodium Ethylenediamine Disuccinate, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate, Lecithin
Sapindus Mukorossi Fruit Extract
Caprylic/Capric Triglyceride
Arginine
Polysorbate 60
Acacia Concinna Fruit Extract
Balanites Aegyptiaca Fruit Extract
Gypsophila Paniculata Root Extract
Polyacrylate Crosspolymer-6
Acacia Senegal Gum
Pentylene Glycol
Melanin
Sorbic Acid
Potassium Sorbate
Sodium Benzoate
Caprylyl Glycol
1,2-Hexanediol
Chlorphenesin
Water, Stearic Acid, Sapindus Mukorossi Fruit Extract, Glycerin, Caprylic/Capric Triglyceride, Arginine, Polysorbate 60, Acacia Concinna Fruit Extract, Balanites Aegyptiaca Fruit Extract, Gypsophila Paniculata Root Extract, Polyacrylate Crosspolymer-6, Acacia Senegal Gum, Xanthan Gum, Pentylene Glycol, Melanin, Sorbic Acid, Trisodium Ethylenediamine Disuccinate, Potassium Sorbate, Sodium Benzoate, Caprylyl Glycol, 1,2-Hexanediol, Ethylhexylglycerin, Phenoxyethanol, Chlorphenesin
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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.
Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:
The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.
Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.
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.
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.
Stearic Acid is a fatty acid that is already found in your skin. It's one of the free fatty acids that works alongside ceramides and cholesterols to maintain your barrier.
In cosmetics, it is a multitasker:
Safety-wise, the CIR Expert Panel has concluded it to be safe in cosmetics when formulated to be non-irritating and non-sensitizing.
Free stearic acid is a C18 fatty acid that the Malassezia yeast can substrate, so this ingredient may not be fungal acne safe.
Trisodium Ethylenediamine Disuccinate is used to help stabilize a product.
It is a chelating agent, meaning it helps prevent metal ions from binding to other ingredients. This prevents unwanted reactions in products. Metal ions can come into a product via the water ingredient. They are found in trace amounts and are not known to be harmful.
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!
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.
On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.
Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.