The Fructis Vitamin C Force Hair Bomb Biotin hair mask for fragile hair with a tendency to fall out. Increases hair mass and reduces hair loss. Characteristics: - Resistance up to 4,500 brushings. - 19% strength complex with Biotin and Vitamin C to increase hair mass and reduce hair loss. - Enriched with red orange for visibly stronger hair. How to use: Apply to damp hair. Leave it on for 1 to 3 minutes and then rinse thoroughly.