Cosmetic Ingredients

DL-Mandelic Acid (CAS 611-72-3, 2-hydroxy-2-phenylacetic acid) is a large-molecular-weight AHA derived from bitter almonds. It delivers the exfoliation and brightening benefits of an alpha-hydroxy acid with minimal irritation — the preferred choice for sensitive, reactive and melanin-rich skin. Physical & Chemical Properties INCI: Mandelic Acid CAS number: 611-72-3 Appearance: white crystalline powder Solubility: soluble in […]

Salicylic Acid (CAS 69-72-7, 2-hydroxybenzoic acid) is the reference BHA (beta-hydroxy acid) — a lipid-soluble exfoliant that penetrates sebum-filled pores to clear congestion, fight acne and refine skin texture. For formulators and private-label brands, bulk salicylic acid powder is a core active for anti-acne, pore-refining and scalp-care product lines. Physical & Chemical Properties INCI: Salicylic […]

Ectoin (依克多因) is a natural cyclic amino acid derivative extracted from halophilic microorganisms — extremophile bacteria that survive harsh salt lakes and deserts. In skincare, this molecule forms a protective hydration shell around skin cells, delivering long-lasting moisturization, sensitive skin soothing and barrier repairing effects. Safe and mild for all skin types, it is a […]

A practical guide to cosmetic preservative selection — from phenoxyethanol to paraben-free synergistic systems.