This 4-in-1 primer detangles, conditions, smooths and protects hair from heat, so hair looks and feels strong, healthy and soft. Vegetable proteins strengthen hair and conditioning agents like panthenol add shine.Can be used on wet hair before styling, or on dry hair between shampoos for added softness and manageability — and especially smooth ends. Brand Story Featuring our powerful melon leaf stem-cell technology, MB Hair is the first system scientifiy shown to revive aging hair in 6 ways. Ships Monday through Thursday.