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