Penetraitt Shampoo by Sebastian Professional, 1000ml, is an ideal regenerating treatment for weak and damaged hair. Its advanced formula deeply nourishes, strengthening the hair fiber and promoting the repair of damaged cuticles. Thanks to innovative ingredients, it provides softness, shine, and vitality, improving elasticity and preventing breakage. Perfect for daily use, it regenerates hair from root to tip, leaving it silky and visibly healthier. Una professional choice for those seeking effective and lasting results.