Ectoin: Skin Defence Extremolyte

Ectoin is a highly versatile molecule used in next-generation moisturisers, anti-ageing serums, and sensitive skincare formulations designed to deliver immediate hydration support and long-term skin protection. Unlike traditional humectants, ectoin works by stabilising the skin’s water environment - helping it retain moisture while maintaining a balanced, resilient barrier under daily environmental stress. It can be used as a standalone active or added to existing products to enhance hydration, calm sensitivity, and improve overall skin resilience - making it a powerful, flexible ingredient for both finished products and DIY formulations. Specifications Chemical name: (4S)-3,4,5,6-Tetrahydro-2-methyl-4-pyrimidinecarboxylic acid CAS: 96702-03-3 INCI: Ectoin Assay: 99.9% purity (HPLC, 210 nm) Appearance: White crystalline powder Molecular weight: 142.16 Chemical formula: C6H10N2O2 Specific rotation: +141.5° Storage: Cool (≤ 25 °C), dry, protected from light and humidity Formulation Use level: 0.3-2% Water solubility: 550 g/l Stability: pH 1-9, light and oxygen stable across all temperatures Compatibility: no incompatibility with other cosmetic active substances Usage: can be added directly to aqueous phase (hot or cold) prior to emulsification Analytical Data: Current batch: LT-20251125 Chromatographic Anaysis: HPLC Chromatogram