Hypoallergenic Color & Soin hair dye is one of the safest dyes in the world due to its composition. It is not just a hair coloring and care product, it is a help for women and men whose scalp needs special attention. Many of the substances in Color & Soin hair dyes and products are natural or organic (certified), thus minimizing the risk of irritation and allergies (up to 93%). Color & Soin hair dye does not contain ammonia, silicone, parabens, resorcinol, SLS and SLES, paraffin, mineral oils, heavy metals, formaldehyde derivatives. Color & Soin hair dyes tested clinically!