Ectoine Professional cosmetic ingredient — not a finished product. Key Specs INCI Ectoine CAS No. 96702-03-3 Appearance White crystalline powder Solubility Freely water-soluble pH Guidance Broad compatibility (pH 4.0–8.0) Typical Usage 0.5–2% (1% is the most studied clinical dose) Incorporation Phase Water phase (Phase A); stable up to 80°C Why Formulators Choose It Clinically validated deep hydration via kosmotropic water-shell mechanism Barrier repair — stabilizes stratum corneum lipids and structural proteins Calming and anti-inflammatory — inhibits pro-inflammatory cytokines and mast cell activation Environmental stress protection against UV, pollution, and temperature extremes Effective at very low concentrations; broad compatibility with all actives Natural, extremophile-derived origin — biodegradable and consumer-friendly Formulation Guide Add directly to the water phase at room temperature or during heating — no pre-dissolution required Stable up to 80°C; compatible with hot-process emulsions Compatible with virtually all actives including retinoids, peptides, vitamin C, and AHAs Does not affect preservative efficacy; use a broad-spectrum preservative system as normal Applications Barrier-repair serums and essences Sensitive and reactive skin moisturizers Post-procedure and rosacea-targeted formulas Urban / environmental protection products SPF formulations and after-sun care Storage & Safety Store tightly closed in a cool, dry place away from light and heat. For external use only. Patch test finished products before regular use. Formulation Guide Ready to formulate? Our in-depth guide covers the science, usage rates, pH notes, compatible pairings, and a complete 4-phase barrier-repair serum formula with peer-reviewed references. → Read the Ectoine Formulation Guide
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