Sebastian Professional Penetraitt Shampoo 1000 ml is una innovative solution for damaged and fragile hair. Thanks to its formula enriched with proteins and nourishing ingredients, it cleanses gently while strengthening the hair fibre from within. It improves resilience, reduces breakage and gives natural shine without weighing the hair down. Ideal for those looking for a professional daily treatment, it ensures stronger, healthier and more vibrant hair from the first use. An essential product for keeping hair soft and revitalised.