1.Basic information: INCI Name: Pentapeptide-21 EINECS number: 265-291-0 Formula: C29H39N5O7 Molecular:569.65 Purity: >95% Source: Grade: cosmetic Stability: stable Solubility: soluble in water Odor: no Formulation: available for your reference, please contact us. MSDS and COA: available for your reference, please contact us. Delivery: promptly from stock Recommended dose: 5% Capacity: 200g per month Appearance: white powder 2.Usage: Products containing Pentapeptide-21 have a lightening and brightening effect through the reduction of melanin and UV damage that leads to aged, dull looking skin. 3.Description: Pentapeptide-21 inhibits enzymes responsible for hyper-proliferation, inflammation, and DNA damage in response to UV radiation. A specific peptide sequence (Pentapeptide-21) combined with selected amino acids designed to reduce the level of pigmentation and skin damage that occurs to sun exposed skin.