This Specifique Dermo-Calm Serum Sensidote from Kerastase is designed to soothe the scalp and give your hair an unbeatablely soft texture that lasts. Perfect for sensitive scalps and suitable for all hair types, this serum is an effective treatment that really works. Helping to relax the scalp and give you some much needed TLC, pecifique Dermo-Calm Serum Sensidote is a luxurious leave in serum that will leave you feeling both refreshed and rejuvenated.