Ducray Elution Dermo-protective Treatment Shampoo respects hair scalp, through the dermoproteins enriched in Vitemin B5 which create a natural protective and moisturising film at the surface of hair. This film is effective agains attacks, but it does not lead to reactional hyperseborrhea.<br /><br />Elution shampoo is particularly recommended in intermediary care of treatment shampoos, in particular after an anti-dandruff treatment, when scalp is weakened and needs to be soothed.