After repeatedly bleaching the ends of my hair, along with using straighteners on it every day, my hair became extremely dry and actually began to break off when brushing. My housemate recommended INTELLIGENCE to me and the first time I used it, I left it on the ends of my hair overnight. The next day, after washing the product off, my hair was much less brittle, and already looked healthier. Since then I have continued to use it weekly, leaving on for just 5 minutes, and the condition and strength of my hair has improved drastically. A little bit goes a really long way, so it’s great value for money – would recommend!