Penetraitt Shampoo by Sebastian Professional is a regenerating treatment of 250ml, ideal for damaged and fragile hair. Its advanced formula strengthens the struttura from within, repairing and protecting the fiber and cuticle. Thanks to nourishing ingredients, it improves softness and shine, giving a healthy and vital appearance. Perfect for those who want a gentle yet effective cleanser that can deeply revitalize hair without weighing it down. An indispensable ally for maintaining strong and radiant locks in tempo.