Peptide Skincare & BeautySkin science and ingredient guides

Product and ingredient reference

PCA Skin Acne Cream

PCA Skin Acne Cream PCA Skin Acne Cream ingredients explained: Benzoyl Peroxide (5%), Water, Gluconolactone, Glycerin, Caprylic/Capric Triglyceride, Cetyl Alcohol, Vitis Vinifera (Grape) Seed Oil, Aminomethyl Propanol, Lactic Acid, Cyclopentasiloxane, Dimethic

PCA Skin Acne Cream PCA Skin Acne Cream ingredients explained: Benzoyl Peroxide (5%), Water, Gluconolactone, Glycerin, Caprylic/Capric Triglyceride, Cetyl Alcohol, Vitis Vinifera (Grape) Seed Oil, Aminomethyl Propanol, Lactic Acid, Cyclopentasiloxane, Dimethicone, Glyceryl Stearate, PEG-100 Stearate, Aloe Barbadensis Leaf Juice, Polyacrylate-13, Phenoxyethanol, Polyisobutene, Ammonium Acryloyldimethyltaurate/VP Copolymer, Caprylyl Glycol, Potassium Cetyl Phosphate, Ethylhexylglycerin, Hexylene Glycol, Allantoin, Tocopheryl Acetate, Citrus Grandis (Grapefruit) Peel Oil, Polysorbate 20, Melaleuca Alternifolia (Tea Tree) Leaf Oil, Panthenol, Butylene Glycol, Anthemis Nobilis Flower Extract, Ascorbic Acid, Retinyl Palmitate Show all ingredients by function Benzoyl Peroxide (5%) anti-acne Water solvent Gluconolactone exfoliant, chelating superstar Glycerin skin-identical ingredient, moisturizer/​humectant 0, 0 Caprylic/Capric Triglyceride emollient Cetyl Alcohol emollient, viscosity controlling 2, 2 Vitis Vinifera (Grape) Seed Oil antioxidant, emollient goodie Aminomethyl Propanol buffering Lactic Acid exfoliant, moisturizer/​humectant, buffering Cyclopentasiloxane emollient, solvent Dimethicone 0, 1 Glyceryl Stearate emollient, emulsifying PEG-100 Stearate surfactant/​cleansing, emulsifying Aloe Barbadensis Leaf Juice soothing, moisturizer/​humectant Polyacrylate-13 Phenoxyethanol preservative Polyisobutene viscosity controlling Ammonium Acryloyldimethyltaurate/VP Copolymer Caprylyl Glycol moisturizer/​humectant, emollient Potassium Cetyl Phosphate emulsifying, surfactant/​cleansing Ethylhexylglycerin Hexylene Glycol solvent, emulsifying, perfuming, surfactant/​cleansing 0-1, 0-2 Allantoin soothing Tocopheryl Acetate antioxidant Citrus Grandis (Grapefruit) Peel Oil perfuming icky Polysorbate 20 Melaleuca Alternifolia (Tea Tree) Leaf Oil soothing, anti-acne, antioxidant, antimicrobial/​antibacterial, perfuming Panthenol Butylene Glycol moisturizer/​humectant, solvent Anthemis Nobilis Flower Extract soothing, perfuming Ascorbic Acid antioxidant, skin brightening, buffering Retinyl Palmitate cell-communicating ingredient 1-3, 1-3 The gold standard topical ingredient in treating acne. There is no miracle cure for acne (we do really wish for one, *sigh*), but Benzoyl Peroxide (BP) is probably the closest thing we have. But, as usual, big effects come with big side effects, so we think BP is best used as a last resort (at least, in the topical treatment field). The good thing about BP is that it is amazingly effective against inflammatory-type acne. Not so much against blackheads or whiteheads, but against acne that is caused by the evil bacteria called Propionibacterium acnes (and that is most types of acne). Apart from being antibacterial, it is also anti-inflammatory, keratolytic and wound-healing, all of which are properties that make it so darn effective against spots. Expand to read more Another big pro of BP is that there is no bacterial resistance to it, meaning if it works once it will continue to work. Antibiotics are also a common way to treat acne, but antibiotic-resistant P. acnes are increasing worldwide. BP will probably help you even if antibiotics have stopped working, and the two are also often combined for a more complex acne therapy. Btw, BP plays nice not only with antibiotics but also with retinoids. The side-effects part? BP works its antibacterial magic by being a powerful oxidizing agent, meaning it is a pro-oxidant. As in the opposite of an antioxidant. BP literally generates evil ROS (reactive oxygen species) in the skin that kills P. acnes but also harms the surrounding skin cells. Ongoing BP-use ages your skin, which is why, we say, use it as a last resort. If you do use BP, please also use a good sunscreen and a good antioxidant serum to apologise to your skin (btw, these things are useful in any case). Use the BP treatment at night and the antioxidant serum in the morning so that they do not cancel each other out. Another side effect of BP is that it can be very skin drying. BP is an example where more is not better. In fact, it is equally effective at concentrations of 2.5, 5.0 and 10%, but the higher the concentration the more irritating and drying side effects occur. So using BP at 2.5% percent is the ideal amount. Another side effect which is good to know is that BP can bleach bedsheets and clothes. Be careful with your expensive satin bedsheets. Overall, Benzoyl Peroxide is a uniquely effective topical acne treatment, but it comes at a price. Use it as a last resort and for good measure (and with plenty of moisturizers, sunscreen, and antioxidant serum). 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. 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 pu what‑it‑does exfoliant | chelating skin-identical ingredient | moisturizer/humectant irritancy, com. emollient | viscosity controlling antioxidant | emollient exfoliant | moisturizer/humectant | buffering emollient | solvent emollient | emulsifying surfactant/cleansing | emulsifying soothing | moisturizer/humectant moisturizer/humectant | emollient emulsifying | surfactant/cleansing solvent | emulsifying | perfuming | surfactant/cleansing soothing | anti-acne | antioxidant | antimicrobial/antibacterial | perfuming moisturizer/humectant | solvent soothing | perfuming antioxidant | skin brightening | buffering

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