BC SCALP GENESIS soothing serum # dry & sensitive scalps by Schwarzkopf. Soothing serum for dry or sensitive hair. Soothes and balances the scalp. It has a StemCode complex, which thanks to its double action forms a protective layer around the stem cells and roots to ensure the state of hair growth and vitamin B5 provides hydration and helps balance the scalp. apply directly in sections on the scalp. It does not need rinsing.