The SERUM SERUM DISTRICATING ACID of the Physia OE Detangling line (rich after-shampoo emulsion with balanced acid pH acid: promotes the closure of cuticular scales by providing docility, shine, softness and volume) of the Demeral brand, is good for all hair types because olive oil and wheat germ oil that we find inside, act returning to the hair gloss, silkiness and combability.