Undertake Kérastase's Première Bonding Discovery Haircare Gift Set's step-by-step routine and you'll be well on your way to stronger, healthier hair. Apply the Pre-Shampoo, a product that reinforces the hair's structure, adds shine and restores strength to the lengths to damp hair for at least five minutes, then use the Advanced Repairing Shampoo to smooth hair as well. Finally, use the Anti-Breakage Repairing Filler Hair Mask to condition and repair the locks. Use the mask twice a week to boost the effect.