Have you ever heard of free radicals? Do you think this has anything to do with why these women never grey?

Yes, absolutely. The Red Yao women definitely live a healthier lifestyle and that plays a big role in the beauty of their hair. However, the science behind rice protein and its effects on hair is concrete, indisputable. And what is happening with the rice water the Red Yao women use, is it is being fermented and extracted in a special way. When it is extracted the water has high concentrations of inositol and panthenol, which are two scientifically proven nutrients that strengthen and regenerate hair.