Effects on the Scalp Lipids and TEWL of a 1% Selenium Disulfide and 1% Salicylic Acid Antidandruff Shampoo on Dandruff Scalp

Inclusion Criteria: * Subject with hair length \> 2 cm. * Subject exhibiting slight to severe dandruff state of scalp: Total dandruff score (adherent + non-adherent) ≥ 4 (ranging from 0 to 10) including and adherent dandruff score ≥ 2.5 (ranging from 0 to 5) and no limit for non-adherent dandruff score, after clinical examination 3 days after the last shampoo performed on D-3. * Subject with slight itching state of scalp: score before shampoo ≥3 (ranging from 0 to 9,) 3 days after the last shampoo performed on D-3. * Subject usually using a shampoo 3 times a week and accepting to follow this rate during the whole study period. * Subject having stopped any possible antidandruff treatment at least 1 week prior to study pre-inclusion. * Subject usually using anti-dandruff products. * Subject agreeing not to use any other cosmetic product on the air (tonic,lacquer, gel, mousse) and not colouring or bleaching hair until the end of study Exclusion Criteria: * Main Inclusion Criteria: * Subject with hair length \> 2 cm. * Subject exhibiting slight to severe dandruff state of scalp: Total dandruff score (adherent + non-adherent) ≥ 4 (ranging from 0 to 10) including and adherent dandruff score ≥ 2.5 (ranging from 0 to 5) and no limit for non-adherent dandruff score, after clinical examination 3 days after the last shampoo performed on D-3. * Subject with slight itching state of scalp: score before shampoo ≥3 (ranging from 0 to 9,) 3 days after the last shampoo performed on D…