Description: 1,3 Propanediol is a natural, skin-friendly preservative-boosting humectant for all kinds of formulations. It is made from renewable corn sugar fermentation. Has excellent sensory characteristics & is environmentally sustainable. It is naturally-derived and approved by EcocertTM and certified by the Natural Products Association. Clear liquid, mild odor. Soluble in water. CAS: 504-63-2 INCI Name: Propanediol Properties: Can be used to replace petroleum-based glycols such as propylene glycol, butylene glycol or glycerin in formulations. Acts as humectant, emollient, skin penetration enhancer and solvent. Boosts preservative efficacy, improves skin moisturization and is 100% natural. Use: Add to the water phase of formulations. Typical use level 1-10% depending on the type of formula. For external use only. Applications: Creams, lotions, shampoos, conditioners, sun care, skin treatments.