Ideal for sensitive, dandruff-pone scalps, the Umberto Giannini Serum delivers a lasting boost of nourishment. n Made with piroctone olamine and a blend of exfoliating fruit enzymes, the treatment clarifies the scalp as it soothes, helping to remove impurities and dead skin cells. The versatile treatment can be used wet or dry or applied before shampoo, fitting seamlessly into your haircare routine.