WEAKENED HAIR

Weakened, fragile hair breaks before it grows. Bionaza's fortifying formulas rebuild strength with Keratin Amino Acids, Hydrolyzed Collagen and mineral-rich complexes that reinforce the hair fiber wash after wash.

The Diamond Fortifying line is the core routine here, strengthening and protecting while keeping hair hydrated and manageable. Add a weekly protein-rich mask and minimize heat while hair recovers, and reach for The Secret Leave-In when you do style, for thermal protection on strands that cannot afford more stress.