Specific range of Kérastase. For all problem scalps (dandruff, sensitivities, itching, ...), the Specific range from Kérastase provides you with a solution. Soothing, anti-dandruff shampoo or even neutralizing shampoo, take care of your scalp with Kérastase. Treatments for men and women who want to regain a feeling of comfort on their scalp. Take back control with Kérastase Specifique.