Profectiv Growth Renew Root Rebound Deep Conditioner. Root Rebound Deep Conditioner helps strengthen and moisturize hair for a fuller, thicker look. This Vitamin-based treatment helps reduce breakage, split-ends and dryness from prolonged use of tight weaves, braids, wigs and excess use of styling aids and chemical treatments. FeatherLite for straightened styles blended with synthetic or human hair extensions. Targets damage caused by hair styling routines: stressed hair, dry hair, weak hair, brittle hair. Recommended for all hair textures & styles.