Protein Gold Ossos Therapy (Straightening - Treatment - Nourishment - Shine) Protein rich in macadamia oil and panthenol, macadamia oil is one of the most expensive oils in the world that gives your hair super softness, and also restores hair elasticity and shine. Straightening percentage up to 100% It treats, nourishes and moisturizes hair It repairs hair and restores lost moisture It eliminates hair dryness It gives hair elasticity and shine It gives hair a distinctive shine Completely free of formaldehyde