How to use Kérastase 2-Piece Heat Protection Sachets:

1. Shampoo and condition your hair as usual.
2. Towel-dry your hair to remove excess water.
3. Open one sachet and apply the product evenly on your hair, focusing on the mid-lengths and ends.
4. Repeat step 3 with the second sachet if you have long or thick hair.
5. Blow-dry your hair using a hair dryer or let it air dry.
6. Style your hair with a straightener, curling iron or any other heat styling tool as desired.
7. For best results, use the sachets before every heat styling session.
8. Dispose of the sachets after use.