How To Use Kérastase Première Concentré Decalcifying Ultra-Repairing Pre-Shampoo Treatment 250ml:

1. Wet your hair thoroughly.

2. Apply a generous amount of the pre-shampoo treatment to your scalp and hair.

3. Massage the treatment into your scalp and work it through your hair from root to tip.

4. Leave the treatment on for 5-10 minutes to allow it to penetrate and repair your hair.

5. Rinse your hair thoroughly and follow with your regular shampoo and conditioner.