... , use more for long hair and less for short hair (please use double dosage of shampoo for the first time ... every hair, focus on both temples, massage for 7-10 minutes till foam becomes dry, then ... , it is impossible to avoid allergy for any cosmetic, particularly for allergic constitution;2) Users with seriously ... Pregnant women and allergic scalp shall be cautious for use;3) Please do not use the single ...