Trigonelline (Pure from Coffee Extract) Natural alkaloid cosmetic ingredient with proven skin whitening, UV protection, and anti-aging benefits through tyrosinase inhibition and oxidative stress reduction. ฿768.38 View Cosmetics Usage:0.1-2%(1%) Soluble:Soluble in Water, Soluble in Ethanol Cost:99.95-1,999.00฿/kg INCI COFFEA ARABICA SEED EXTRACT View