Hexylresorcinol Professional cosmetic ingredient — not a finished product. Key Specs INCI 4-Hexylresorcinol CAS No. 136-77-6 Appearance White to off-white solid Solubility Low water solubility; soluble in glycols/alcohols pH Guidance Broad once solubilized Typical Usage 0.05–0.5% Why formulators like it Advanced brightening support Formulation Guide Dissolve in PG/1,3-BG or oil phase before emulsifying Use solubilizers for clear toners/serums Avoid eye area Applications Serums Creams Targeted treatments Troubleshooting Clumping or poor dispersion? Pre-disperse in glycerin or mix under higher shear. Stability concerns? Use chelators/antioxidants and respect pH/temperature limits. Texture too thick/thin? Adjust gums, electrolytes, or solvent ratios. Storage & Safety Store tightly closed in a cool, dry place away from light and heat. For external use only. Patch test finished products before regular use.
