Our hair serum contains cetrimonium chloride, dimethicone. It can be easily applied without rinsing, effectively removing oil, nourishing and repairing damaged hair, and leaves it smooth and pleasantly scented. Its application is simple: 1. Keep your hair dry or wipe dry after shampooing. 2. Take an appropriate amount of hair serum and apply it evenly to your hair. 3. Dry with a hair dryer and comb with a comb. Damaged hair is repaired after use, intensive care is taken while repairing visible split ends and breakage, hair is smooth and has a pleasant fragrance.