Peptide Skincare & BeautySkin science and ingredient guides

Product and ingredient reference

PCA Skin Acne Gel

PCA Skin Acne Gel PCA Skin Acne Gel ingredients explained: Salicylic Acid (2%), Water/Aqua/Eau, Sd Alcohol 40-B, Ethoxydiglycol, Azelaic Acid, Pentylene Glycol, Glycerin, Hydroxyethylcellulose, Butylene Glycol, Potassium Hydroxide, Glycyrrhiza Glabra (Licorice

PCA Skin Acne Gel PCA Skin Acne Gel ingredients explained: Salicylic Acid (2%), Water/Aqua/Eau, Sd Alcohol 40-B, Ethoxydiglycol, Azelaic Acid, Pentylene Glycol, Glycerin, Hydroxyethylcellulose, Butylene Glycol, Potassium Hydroxide, Glycyrrhiza Glabra (Licorice) Root Extract, Poterium Officinale Root Extract, Cinnamomum Cassia Bark Extract, Zingiber Officinale (Ginger) Root Extract Show all ingredients by function Salicylic Acid (2%) exfoliant, anti-acne, soothing, preservative superstar Water/Aqua/Eau solvent Sd Alcohol 40-B solvent, viscosity controlling icky Ethoxydiglycol solvent, moisturizer/​humectant, perfuming 0, 0 Azelaic Acid anti-acne, soothing, buffering Pentylene Glycol solvent, moisturizer/​humectant Glycerin skin-identical ingredient, moisturizer/​humectant Hydroxyethylcellulose viscosity controlling Butylene Glycol moisturizer/​humectant, solvent 0, 1 Potassium Hydroxide buffering Glycyrrhiza Glabra (Licorice) Root Extract soothing, skin brightening Poterium Officinale Root Extract antimicrobial/​antibacterial Cinnamomum Cassia Bark Extract Zingiber Officinale (Ginger) Root Extract antioxidant, soothing goodie 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 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. SD-Alcohol and some numer+letter refers to alcohol (or ethanol) being denaturated with different kind of additives. These additives make sure that the alcohol is poisonous and bad tasting so that nobody drinks their alcohol-loaded toner. 40-B specifically means the additives are denatonium benzoate and t-butyl alcohol. As for Alcohol Denat in skincare, it's a controversial ingredient. It's a great solvent and makes cosmetically elegant, light formulas but at best it's skin-drying, at worst it's skin-barrier damaging. We have written about alcohol way more here. A nice odorless liquid used mainly as a superior solubilizer and efficacy booster for cosmetic active ingredients such as skincare bigshot vitamin C, self-tanning active DHA or the anti-acne gold standard, benzoyl peroxide. Other than that it can also be used in hair care products where it gives a longer-lasting and more uniform coloring. According to a manufacturer, it might even prevent the formation of split ends. Superstar ingredient with antibacterial, skin cell regulating, anti-inflammatory and skin-lightening magic properties It is especially useful for acne-prone or rosacea-prone skin types (in concentration 10% and up) It is a prescription drug in the US but can be freely purchased in the EU in an up to 10% concentration A multi-functional, silky feeling helper ingredient that can do quite many things. It's used as an emulsion stabilizer, solvent and a broad spectrum antimicrobial. According to manufacturer info, it's also a moisturizer and helps to make the product feel great on the skin. It works synergistically with preservatives and helps to improve water-resistance of sunscreens. A natural moisturizer that’s also in our skin A super common, safe, effective and cheap molecule used for more than 50 years Not only a simple moisturizer but knows much more: keeps the skin lipids between our skin cells in a healthy (liquid crystal) state, protects against irritation, helps to restore barrier Effective from as low as 3% with even more ben what‑it‑does exfoliant | anti-acne | soothing | preservative solvent | viscosity controlling solvent | moisturizer/humectant | perfuming irritancy, com. anti-acne | soothing | buffering solvent | moisturizer/humectant skin-identical ingredient | moisturizer/humectant moisturizer/humectant | solvent soothing | skin brightening antimicrobial/antibacterial antioxidant | soothing

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