Details: Hydrating hair oil serum creates 7x more moisture and 72 hours of soft hair when used as a system vs. Non-conditioning shampoo. 92% say hair feels softer. * System of Food For Soft Shampoo, Conditioner, Mask and Oil. Multi-Use Hydrating Hair Oil: Serum and leave in treatment infused with avocado oil to provide smoother, softer hair with heat protection. Benefits: Provides 7x more moisture, 5x smoother hair, 72 hours of seriously soft hair* (*When used as a system of Food For Soft Shampoo, conditioner or mask, & oil versus non-conditioning shampoo). Additional Benefits: Leaves hair hydrated and smooth with a soft finish and extra shine. Safe for color treated hair. Food For Soft Collection: Curated regimen of professional salon products including the Hydrating Shampoo, Detangling Hydrating Conditioner, Rich Hydrating Treatment Mask, and Multi-Use Hair Oil Serum. Suggested Use: Following shampoo and conditioner or treatment mask, apply several drops of oil serum to mid lengths and ends of wet or dry hair, do not rinse. Style as usual.