Yellow Professional Reparative Mask is a rich mask for extremely damaged hair that penetrates the layers of the hair and provides extreme repair*.
*Instrumental test on hair subjected to Repair treatment (Shampoo+Mask+Molecular Serum).
Apply to the lengths and ends of damp hair, after Yellow Reparative Shampoo.
Leave it on for 5 minutes.
Rinse.
Continue with Molecular Serum.