Aveda Botanical Repair Strengthening Leave In Treatment 3.4oz BB Sprays a sulfite that may cause warm red a sulfite that may cause allergic type reactions including anaphylactic symptoms and life threatening or less severe asthmatic episodes in certain susceptible people It also pampers the hair with moisture and ensures visibly healthier and stronger hair helps protect against damage while building bonds for stronger hair with the power of plants• Instantly repairs hair from inside out and builds bonds at the core for stronger hair​• Protects against heat damage up to 450° and hair from UV (drying effects of the sun)• Instantly detangles to prevent breakage• Instantly transforms hair leaving it visibly healthier