Fight against fragile, weakened hair with the Biolage Advanced FiberStrong Deep Treatment Pack Strengthening Hair Mask for Damaged Hair. Designed to treat strands prone to snapping, breakages and split ends, this hair treatment nourishes and fortifies the appearance of troubled tresses to help leave them feeling supple and strong. Bamboo Extract targets both the scalp and hair follicle, soothing and refreshing from the roots to ensure an optimal foundation for the growth of healthy-looking hair. This nurturing ingredient enhances shine and targets areas of hair thinning, promoting a fuller and more resilient mane. The Biolage hair mask replenishes and revives damaged, lacklustre locks for glossy, smooth and rejuvenated results.