The M2 Beauté HAIR ACTIVATING SERUM is an innovative, highly effective activating serum that promotes hair growth and thickness. The serum is applied once a day to the root of the hair. For long think and naturally beautiful hair.Part your hair and spray the HAIR ACTIVATING SERUM evenly once a day onto clean, towel-dried roots at a distance of a few centimeters. Afterwards, gently massage the serum into the scalp using your fingertips. Allow the serum to absorb for a few minutes before styling your hair as usual. The serum can be applied all over the roots or just to some sections. The serum can be applied over the entire surface or partially. If you are allergic to any of the ingredients, please discontinue use.