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