| A dual-chamber mega mask that provides deep, intense hydration and a treatment multiplier that lasts up to 3 washes. Part of the SMART Haircare collection, the Extreme Hair Strengthening Mega Mask for damaged hair offers all the power of the RCT Protein complex to strengthen hair. | | Ingredients | | Directions for use | | A dual-chamber mega mask that provides deep, intense hydration and a treatment multiplier that lasts up to 3 washes. Part of the SMART Haircare collection, the Extreme Hair Strengthening Mega Mask for damaged hair offers all the power of the RCT Protein complex to strengthen hair.