DevaCurl's CURLBOND Re-Coiling Treatment Mask is a reparative mask with a patented CurlBond Complex. It re-coils damaged curls, conditions, and works from the inside out to help re-link broken bonds, improve strength, seal split ends and protect from future damage. Benefits: Gives damaged curls ultimate curl flexibility. Leaves curls healthy-looking, smooth & shiny. Internally & externally repairs hair structure. Helps improve strength of damaged hair. Protects & prevents against future damage.