HAIR GROWTH & STRENGTHEN: The biotin contained in biotin b-complex hair mask can strengthen the hair shaft, fortify weak hair, it also decreases hair loss and increase thickness, promotes hair growth effectively. | PROMOTE HEALTHY HAIR: Our Biotin B-Complex Hair Mask is infused argan and caffein oil, these ingredient can help promote blood circulation in the scalp and make hair grow healthily. | HAIR REPAIR: Biotin B-Complex Hair Mask is beneficial for repairing damaged hair, it provides nourishment treatment for thinning hair. It helps scalp and roots reviver. | GREAT FOR THIN HAIR: Add volume and dimension to thin, brittle hair for a fuller look. Strengthens the roots internally to create fullness to the base of the hair shaft. | HOW TO USE: After cleansing with Biotin B-Complex Shampoo, apply generously to damp hair and leave on for up to 5 minutes. Rinse thoroughly. For best results, use weekly.