Ybera Paris' Fashion Gold is a revolutionary, all-natural straightening treatment. It is compatible with all chemicals and suitable for all hair types. It doesn't contain formaldehyde or its derivatives, nor glyoxylic acid - instead, its formula ,is based on inca oil and quinoa protein, rare actives that restore hair health, moisturize and leave the hair with a flawless shine. Its exclusive formula provides a perfect, healthy result. No burning eyes, no smoke, no smell, no yellowing, no color fading, no drying out. This is the top straightening treatment available.