Experience the ultimate strengthening solution for weak and damaged hair with Redken Extreme Strength Builder Plus Mask. This deeply conditioning treatment works from the inside out, infusing your locks with nourishment for glossy, healthy-looking hair. Redken's innovative Interbond Conditioning System, featuring a unique 3D Repair Complex of proteins, reinforces hair strength and actively protects against further damage. This luxurious, rich mask is clinically proven to decrease breakage by 28%, promoting healthy hair growth and leaving hair protected with added shine. For optimal results, use the entire Extreme range as a system. To apply, distribute onto towel-dried hair and leave on for 5 minutes, or longer for deeper conditioning. Rinse thoroughly. Ideal for weak and damaged hair. Key Features: - Deeply conditions and nourishes - Reinforces hair strength and protects from damage - Reduces breakage by 28% - Promotes healthy hair growth and shine - Suitable for weak and damaged hair Product Summary: Redken Extreme Strength Builder Plus Mask, a strengthening hair treatment designed for weak and damaged hair, featuring the Interbond Conditioning System for 3D repair and breakage reduction.