what is bust your brass cool blonde intense repair hair mask? a salon service in a jar. this ultra-luxe hair mask provides superior toning while strengthening, repairing, and hydrating for bright, healthy blonde. who it's for all blondes, silvers + grays are welcome! why it's special bring blonde back to life. packed with bond cure technology, plant butters, vegan protein, and ultra-violet pigments-- for your strongest + brightest mane yet! the proof is in our claims - this reparative mask is clinically proven to significantly brighten, intensely hydrate, strengthen + repair hair. it results in healthier hair that is 8x more conditioned, 2.2x stronger with 56% less breakage.* *clinically tested. ultra-hydration - this luxurious mask is packed with 3 different types of plant butters and adds a healthy dose of moisture to those dry strands. tones brassiness - counteract any yellow, unwanted brassy hues for an icy blonde, silver or gray. lookin' cool. strengthens + reduces breakage