Pca

goodie
Also-called-like-this: Pyrrolidone Carboxylic Acid
What-it-does: skin-identical ingredient, moisturizer/humectant

Details

PCA stands for Pyrrolidone Carboxylic Acid and though it might not sound like it, it is a thing that can be found naturally in our skin. In fact, after amino acids, it is the second biggest NMF component of the skin with 12% being PCA of the NMF composition of normal skin.  So similar to other NMFs, it's a skin goodie that helps the skin to hold onto water and stay nicely hydrated. 

Show me some proof

  • Lodén, Marie. "Role of topical emollients and moisturizers in the treatment of dry skin barrier disorders." American journal of clinical dermatology 4.11 (2003): 771-788.
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Products with Pca

Ausceuticals Peptide Moisturiser The Ordinary Amino Acids + B5 Abnomaly Petrowhat? Bali Abnomaly Petrowhat? Baobab Abnomaly Petrowhat? Milk Abnomaly Petrowhat? Rio LANEIGE Essential Power Skin Refiner (Sensitive) Loopha Broadleaf Forest Body Wash Zelens Z Balance Prebiotic & Probiotic Facial Mist Dermalogica Daily Microfoliant Lierac Radiance Toning Lotion Faith in Nature Rose & Neroli Nourish & Repair Conditioner LANEIGE Watery Sun Cream Spf 50+ Pa++++ The Ordinary Marine Hyaluronics Planet Eden Antioxidant Recovery Cream Esho Drench Kahina Giving Beauty Facial Cleanser Martial Vivot Conditioner Shiseido Eudermine Revitalizing Essence Khiels Creamy Eye Treatment With Avocado NIOD Modulating Glucosides The Ordinary Glycolic Acid 7% Toning Solution The Ordinary Natural Moisturizing Factors + Ha NIOD Survival 0 LANEIGE Power Essential Skin Refiner Moisture NIOD Survival 0 (Old Version) Martial Vivot Shampoo Nip+Fab Kale Dry Skin Fix Moisturiser Paula's Choice Peptide Booster Adsorb Antibody Moist Essence Serum NIOD Multi-Molecular Hyaluronic Complex 2 (Mmhc2) The Ordinary Buffet Paula's Choice Rehydrating Moisture Mask Stemm Black Fulvic Conditioner Stemm High-Amino Shampoo The Ordinary Buffet + Copper Peptides 1% The Ordinary Mineral Uv Filters Spf 30 With Antioxidants Paula's Choice Skincare Earth Sourced Purely Natural Refreshing Toner Esho Sculpt Kikumasamune Skin Care Essence NIOD Survival Spf 30 Stemm Gold Fulvic Conditioner LANEIGE Water Sleeping Mask Dr Macrene High Performance Anti-Aging Cream NYDG Skincare Re-Contour Eye Gel Drunk Elephant Protini™ Polypeptide Cream Stemm Density Stimuli Paula's Choice Earth Sourced Antioxidant Enriched Natural Moisturizer Ouai Curl Shampoo
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