Specially designed for sensitive scalps, the L’Oral Professionnel Seri Expert Anti-Discomfort Dermo-Regulator Shampoo is a gentle formula that helps to cleanse the lengths without stripping away moisture. n The shampoo from the Scalp Advanced collection washes away impurities and product build-up, while helping to nourish the scalp. Enriched with hydrating niacinamide, the formula leaves hair feeling touchably soft with a glossy appearance.