I started using Butter Treat several years ago.  My hair was dry, damaged and somewhat brittle.  A salon stylist suggested I try this product and I was so happy with it from day one.  I used it every day at first so that I would get the best result fast!  I even left it in overnight once a week, or whenever possible.  I would shower in the evening, leave in the butter treat, and cover my head with either a towel or something else so that it didn't get all over the pillow at night while I was sleeping.  In the morning, just jump out of the shower and rinse it out!  It left my hair feeling...