Finally a thickening product that works!! This made my fine hair really thick and volumized. I put about 6 pumps in my long hair while it was still damp and massaged it near the roots. Then I blow dried and straightened my hair. I noticed when I was straightening it that the areas of my hair where I had some product in where kind of sticky and hard to straighten, so I would recommend keeping it as close to the roots as possible if you will be straightening your hair.