Tressa Recell Kit Dramatically renew and repair distressed and damaged hair with this 2part treatment. Containing Tressa’s Carbosysteine Technology Recell’s heat driven system opens the cuticle and dives deep into the cortex. Immediately rebuilds and fortifies hair’s internal structure. The Sealer locks down the cuticle and creates an external barrier while smoothing and polishing hair’s surface. Perfect salon service – stand alone or as an addon. Available in a application kit.