Description Ascorbic Acid (Vitamin C) is a skincare ingredient with antioxidant property that helps brighten the complexion, reduces hyperpigmentation and dark spots, increases collagen production, and prevents UV damage to the skin. INCI Name: Ascorbic Acid Other Names: Vitamin C Powder, L Ascorbic acid Ingredient Function: Antioxidant Appearance: White crystalline powder Solubility: Water PH: 2.5 (in 5% solution in water) Storage: Store in a tightly sealed container, and keep in a cool and dry place Usage Rate: 1-10%, up to 25% Commonly used to formulate: Serums, creams and lotions, after-sun and sun care products, makeup FORMULATION NOTES: Pre-dissolve Ascorbic Acid with water, and add to the cool down phase of your formulation (Ascorbic Acid is heat-sensitive) Final PH of Product: Adjust final PH to pH 4-5 (optimal PH is 3.5 ), within which Ascorbic Acid (Vitamin C) is stable. Ascorbic Acid is PH-dependent. Antioxidant effect can be increased by adding Vitamin E to the formulation containing Ascorbic Acid Stability and shelf life of of Ascorbic Acid can be improved by adding Ferulic Acid to the formulation (Ascorbic Acid is naturally unstable and oxidizes easily). *NOTE: This is a cosmetic grade product; For external use only (not to be consumed internally/eaten); Use for formulation of cosmetic and personal care products only.
