Strength and Shine Hair Mask. Its formula with organic iris extract and organic sage extract has been created to repair and nourish the most needy hair, giving it strength and elasticity to achieve healthier, stronger and shinier hair, helping to protect it from the aggression of external elements thanks to the contribution of vitamins and fatty acids that reinforce the hair fibre. Its composition also has an antiseptic effect, helping to avoid itching and scalp discomfort.