Kerastase resistance serum therapist is specially designed for very damaged and over-processed hair to transforms and leave hair hydrated, conditioned and healthy-looking. It is perfect for for thick, unruly hair as a final step to protect against heat and add an extra dose of softness to the mid-lengths and ends. Kerastase resistance serum therapist repairing cream is enriched with Amino Acids and breakthrough technology fibra-kap to improve hair structure, prevent split ends and delivery heat protection for up to 230DegreeC. It minimizes hair breakage and speeds up drying time So you can experience silky soft locks.