1.Basic information: INCI name: Tripeptide-32 Solubility:Â soluble in water Stability:Â stable COA and MSDS: available for your reference Grade: cosmetic Purity: >95% Source: Appearance: white powder 2.Functions: Tripeptide-32 has water-binding properties. That means it keeps skin hydrated by preventing water loss. According to its patent, this peptide can turn on and off genes responsible for repairing the skin at different times of the day and night. However, there is no independent research confirming it does this when applied topically to the skin.