Dove 10-in-1 Bond Strength Serum Hair Mask is specially formulated hair mask for dehydrated and damaged hair. It uses the power of Bio Protein Care ™ + Peptides to offer the ultimate hair damage treatment. Works to reverse 10 visible signs of damage in one minute and reduce signs of extreme damage over time. With 10 transformative benefits from every use your hair will look and feel like a perfect 10. This hydrating hair mask is also the fourth step in the Dove Bond Strength + Peptide Complex regimen. Formulated with Bio Protein Care™ + Peptides this repairing mask for damaged hair penetrates the hair cuticle and transforms each strand from the inside out to reduce visible signs of extreme damage. It works deep within each strand and offers 10 changes to the look and feel of your hair in just one minute: Repairs reduces frizz strengthens restores bounce and shine reduces split ends and also protects against future breakage.