"Promois" is our trade name for polypeptide and its derivatives obtained through hydrolysis of various proteins. Being originated from natural resources, "Promois" is ecological human-friendly raw material . "Promois" is hydrolyzed protein which has proper molecular weight in cosmetic use. It can bring out some effective results to skin or hair as moisturizing, protecting and repairing. Which type of origin and chemical-modification are used can differ its nature and characteristics.