To use the Kérastase Chronologiste set, start by wetting your hair thoroughly with lukewarm water. Apply a small amount of Bain Regenerant shampoo to your scalp and hair, massaging gently to create a lather before rinsing completely.

After rinsing out the shampoo, gently towel-dry your hair to remove excess water. Then, apply a generous amount of Masque Intense Regenerant to the lengths and ends of your hair, combing through to ensure even distribution.

Leave the mask on for 5 to 10 minutes, then rinse thoroughly with lukewarm water. Style your hair as usual for the best results.