... hair perm .do according to blow the hair. 2. Evenly daub NO. 1 agentia: Softener to the hair. According to the ... of straightener, straitifiedly press from bottom to up. 4. Evenly daub NO. 2 agentia: Neutralizing agentia to the hair, stay the ... for 10-15 minutes, rinse with warm water, and then daub NO. 3 agentia: Repairing agentia on the hair, massage for ...