L'Oréal Professionnel Serie Expert Inforcer Mask is a strengthening hair treatment designed to fortify weak and brittle hair. Enriched with biotin and vitamin B6, this mask deeply nourishes and strengthens the hair, reducing breakage and promoting healthier, more resilient strands. The formula helps to detangle and smooth the hair, leaving it soft, shiny, and more manageable. Ideal for hair that is prone to damage or thinning, this mask provides deep conditioning, improving hair's overall strength and vitality. Regular use of the Inforcer Mask helps restore your hair's natural strength, making it look and feel healthier.