Catalysis Blue Cap Shampoo is intended for the care of scalps affected by dandruff, dry seborrhea or oily seborrhea. In case of dandruff, it reduces itching and flaking. It normalizes the activity of scalp cells and has a positive effect on hair growth. Instructions for use: Shake the bottle well before use. Wet the hair. Apply a small amount and massage into the scalp. Leave for 5 minutes. Rinse well and repeat. Use at least two to three times a week during the first two weeks. Repeat the treatment as necessary