Product Overview Apply Kérastase Sensidote Dermo-Calm Serum 50ml onto irritated scalps to soothe them & reduce irritation. Benefits Kérastase Sensidote Dermo-Calm Serum offers an instant soothing effect which helps when you are suffering from a dry & irritated scalp. It helps to moisturise & refresh your scalp & provides long lasting care against itching & redness, leaving you feeling much happier with your hair.