Peptide Skincare & BeautySkin science and ingredient guides

Product and ingredient reference

The Inkey List Salicylic Acid Exfoliating Scalp Treatment

The Inkey List Salicylic Acid Exfoliating Scalp Treatment The Inkey List Salicylic Acid Exfoliating Scalp Treatment ingredients explained: Water (Aqua/Eau), Propanediol, Salicylic Acid, Betaine, Panthenol, PEG-40 Hydrogenated Castor Oil, Phenoxyethanol, Polyqu

The Inkey List Salicylic Acid Exfoliating Scalp Treatment The Inkey List Salicylic Acid Exfoliating Scalp Treatment ingredients explained: Water (Aqua/Eau), Propanediol, Salicylic Acid, Betaine, Panthenol, PEG-40 Hydrogenated Castor Oil, Phenoxyethanol, Polyquaternium-37, Hexylene Glycol, Capryloyl Glycine, Citronellyl Methylcrotonate, Sodium Hydroxide, Ethylhexylglycerin, Xylitylglucoside, Trisodium Ethylenediamine Disuccinate Show all ingredients by function Water (Aqua/Eau) solvent Propanediol solvent, moisturizer/​humectant Salicylic Acid exfoliant, anti-acne, soothing, preservative superstar Betaine moisturizer/​humectant goodie Panthenol soothing, moisturizer/​humectant 0, 0 PEG-40 Hydrogenated Castor Oil emulsifying, surfactant/​cleansing Phenoxyethanol preservative Polyquaternium-37 viscosity controlling Hexylene Glycol solvent, emulsifying, perfuming, surfactant/​cleansing 0-1, 0-2 Capryloyl Glycine surfactant/​cleansing Citronellyl Methylcrotonate perfuming Sodium Hydroxide buffering Ethylhexylglycerin Xylitylglucoside Trisodium Ethylenediamine Disuccinate chelating Good old water, aka H2O. The most common skincare ingredient of all. You can usually find it right in the very first spot of the ingredient list, meaning it’s the biggest thing out of all the stuff that makes up the product. It’s mainly a solvent for ingredients that do not like to dissolve in oils but rather in water. Expand to read more Once inside the skin, it hydrates, but not from the outside - putting pure water on the skin (hello long baths!) is drying. One more thing: the water used in cosmetics is purified and deionized (it means that almost all of the mineral ions inside it is removed). Like this, the products can stay more stable over time. Propanediol is a natural alternative for the often used and often bad-mouthed propylene glycol. It's produced sustainably from corn sugar and it's Ecocert approved. It's quite a multi-tasker: can be used to improve skin moisturization, as a solvent, to boost preservative efficacy or to influence the sensory properties of the end formula. It's one of the gold standard ingredients for treating problem skin It can exfoliate skin both on the surface and in the pores It's a potent anti-inflammatory agent It's more effective for treating blackheads than acne For acne combine it with antibacterial agents like benzoyl peroxide or azelaic acid A sugar beet-derived amino acid derivative with nice skin protection and moisturization properties. Betaine's special thing is being an osmolyte, a molecule that helps to control cell-water balance. It is also a natural osmoprotectant, meaning that it attracts water away from the protein surface and thus protects them from denaturation and increases their thermodynamic stability. It also gives sensorial benefits to the formula and when used in cleansers, it helps to make them milder and gentler. An easy-to-formulate, commonly used, nice to have ingredient that’s also called pro-vitamin B5. As you might guess from the “pro” part, it’s a precursor to vitamin B5 (whose fancy name is pantothenic acid). Its main job in skincare products is to moisturise the skin. It’s a humectant meaning that it can help the skin to attract water and then hold onto it. There is also research showing that panthenol can help our skin to produce more lovely lipids that are important for a strong and healthy skin barrier. Another great thing about panthenol is that it has anti-inflammatory and skin protecting abilities. A study shows that it can reduce the irritation caused by less-nice other ingredients (e.g. fragrance, preservatives or chemical sunscreens) in the product. Research also shows that it might be useful for wound healing as it promotes fibroblast (nice type of cells in our skin that produce skin-firming collagen) proliferation. If that wasn’t enough panthenol is also useful in nail and hair care products. A study shows that a nail treatment liquide with 2% panthenol could effectively get into the nail and significantly increase the hydration of it. As for the hair the hydration ef what‑it‑does solvent | moisturizer/humectant exfoliant | anti-acne | soothing | preservative moisturizer/humectant soothing | moisturizer/humectant irritancy, com. emulsifying | surfactant/cleansing solvent | emulsifying | perfuming | surfactant/cleansing surfactant/cleansing

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