Intensive treatment: Apply 3x week for 1 month, then 1x week for 2 months. Apply to dry or towel dried hair. Break vial, attach applicator tip. Carefully apply one full application at the root of the hair, section by section. Massage to stimulate the scalp and to encourage diffusion. Do not rinse out. Style hair as usual.
Maintenance: Apply 1x a week. Can be used year-round.