Revitalizing Leave In Conditioner seals in vital panthenol and humectants and acts as a protective barrier against heat styling and sun damage. Use it daily as a rehydrator. Mist your hair in the morning and evening. It’s also great for flat ironing and for roller setting fine hair. This product is a must for every bathroom. Revitalizing Leave-In Conditioner does the job for you! How to Use. Avoid excessive stretching which damages your hair. When detangling, always start at the ends of your hair and work toward the roots. Remember to be kind to your hair and scalp when detangling wet hair.