Skin science article
Coco & Eve Bond Building Pre-Shampoo Treatment Versus The INKEY List PCA Bond Repair Hair Treatment
Coco & Eve Bond Building Pre-Shampoo Treatment Versus The INKEY List PCA Bond Repair Hair Treatment What's inside Benefits Concerns Ingredients Side-by-side Water Cetearyl Alcohol Butylene Glycol Cetrimonium Chloride Bis-PCA Dimethicone Behentrimonium Chloride
Coco & Eve Bond Building Pre-Shampoo Treatment Versus The INKEY List PCA Bond Repair Hair Treatment
What's inside
Benefits
Concerns
Ingredients Side-by-side
Water
Cetearyl Alcohol
Butylene Glycol
Cetrimonium Chloride
Bis-PCA Dimethicone
Behentrimonium Chloride
Cetrimonium Methosulfate
Cocos Nucifera Oil
Disodium PEG-12 Dimethicone Sulfosuccinate
Ethylhexyl Palmitate
Parfum
Lactic Acid
Persea Gratissima Oil
Prunus Armeniaca Kernel Oil
Punica Granatum Seed Oil
Quaternium-91
Stearamidopropyl Dimethylamine
Sodium Benzoate
Aminomethyl Propanol
Potassium Sorbate
Ethylhexylglycerin
Glycerin
Passiflora Edulis Fruit Extract
Tetrasodium Glutamate Diacetate
Water, Cetearyl Alcohol, Butylene Glycol, Cetrimonium Chloride, Bis-PCA Dimethicone, Behentrimonium Chloride, Cetrimonium Methosulfate, Cocos Nucifera Oil, Disodium PEG-12 Dimethicone Sulfosuccinate, Ethylhexyl Palmitate, Parfum, Lactic Acid, Persea Gratissima Oil, Prunus Armeniaca Kernel Oil, Punica Granatum Seed Oil, Quaternium-91, Stearamidopropyl Dimethylamine, Sodium Benzoate, Aminomethyl Propanol, Potassium Sorbate, Ethylhexylglycerin, Glycerin, Passiflora Edulis Fruit Extract, Tetrasodium Glutamate Diacetate
Amodimethicone
Betaine
Sorbitan Laurate
Panthenol
Trideceth-12
PEG-40 Hydrogenated Castor Oil
Hydrolyzed Pea Protein Pg-Propyl Silanetriol
Aloe Barbadensis Leaf Juice Powder
Citric Acid
Polyglyceryl-4 Laurate
Alcohol
Helianthus Annuus Seed Extract
Dilauryl Citrate
Phenoxyethanol
Avena Strigosa Seed Extract
Lecithin
Water, Amodimethicone, Butylene Glycol, Betaine, Bis-PCA Dimethicone, Sorbitan Laurate, Cetrimonium Chloride, Panthenol, Trideceth-12, Glycerin, PEG-40 Hydrogenated Castor Oil, Sodium Benzoate, Hydrolyzed Pea Protein Pg-Propyl Silanetriol, Aminomethyl Propanol, Aloe Barbadensis Leaf Juice Powder, Disodium PEG-12 Dimethicone Sulfosuccinate, Potassium Sorbate, Citric Acid, Polyglyceryl-4 Laurate, Alcohol, Helianthus Annuus Seed Extract, Dilauryl Citrate, Phenoxyethanol, Avena Strigosa Seed Extract, Lecithin
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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.
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.
Aminomethyl propanol is safe to use in cosmetics up to 1%. It is soluble in water.
Bis-PCA Dimethicone is a type of silicone.
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 a preservative, antimicrobial, and emulsifier. It is often used in cosmetics for its ability to cleanse, condition, and reduce static.
Cetrimonium chloride is a quaternary ammonium salt, meaning it has a water-soluble structure.
Disodium PEG-12 Dimethicone Sulfosuccinate is a type of silicone.
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.
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.
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.
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!