Root to End Replenishing Hair Mask revives the appearance of brittle, damaged hair. By locking in moisture, this mask provides deep nourishment for thirsty strands, helping to improve hair texture, shine and reduce frizz. Like all Root to End products, this Replenishing Hair Mask includes our proprietary Amino Acid Strand Reviving Complex to help retain the moisture in hair while conditioning and nourishing all hair types.