For fragile hair with Biotin for hair loss. Get a full workout for your hair with the Total Resistance System. Our fortified formula enriched with <Biotin + Vitamin B5 + Arginine> works synergistically with the hair fiber from root to tip. Ideal for weak, brittle hair types that tend to break and fall out*. Never worry about excessive hair breakage or hair loss again. Results: Up to 98.8% less breakage* when brushing. Scalp feels healthier