The first reverse care routine for fine hair – Soin Premier Thérapiste. This lightweight renewal care conditioner can be used before or after cleansing to offer added protection to fine damaged hair during washing. For very damaged, over-processed fine hair with an erosion level of 3-4.Additional benefits:Acts like a caring gauze protecting the hair fiber.Hair is protected during washing.Hair fiber quality is improved.Hair is left looking healthy, with an airy volume.How to Use:Apply to wet hair either before or after cleansing.Distribute throughout lengths and ends.Leave it on for 1-2 minutes.Emulsify and rinse thoroughly.Follow with either Bain Thérapiste to cleanse, or Sérum Thérapiste to protectHow to identify the erosion level of your hair:Does your hair ‘look dead’, and feel weak? Do you suffer from split ends, and dry hair that appears dull? If so, we recommend Resistance Thérapiste for hair with an erosion level of 3-4.Visit your nearest Kérastase salon for an in-depth hair and scalp consultation.