The Specificities of Men’s Fragile Hair Fragile hair lacks essential nutrients. Impoverished from the root, it is less anchored to the scalp, becomes finer and tends to fall out. The Secret of a complete strengthening action New formula enriched in Arginine + Taurine Arginine is an amino acid essential for hair growth, it helps stimulate nutritional exchanges at the bulb level. It is associated with taurine, an energizing active ingredient, to give power to the fiber. Enriched in Arginine + Taurine, the new Arginina Resist X3 shampoo offers a triple strengthening action. 1. With Arginine to nourish the bulb 2. With energizing Taurine 3. Stronger hair from the root Proven results Your hair is stronger, more resistant from the root, truly beautiful.