BRAZILIAN BLOWOUT Glass Hair, a smoothing spray, provides instant frizz control, damage repair, and glass shine to your hair for the perfect blowout. Delivers an impossible transformation for severely damaged hair in just one use. Get up to 4x less hair breakage. This instant damage repair leave-in treatment spray restores compromised hair—in seconds. Resurfaces the cuticle with a lasting mirror-like finish. Reduces the need for multiple finishing products and styling tools. Clinically shown to dramatically reduce bleach and color damage. Leaves hair healthy, manageable, soft, and residue-free.