1-Methylhydantoine-2-imide. TEGO® Cosmo C 250 by Evonik is a conditioning agent. It is a pure amino acid derivative occurring naturally in the body. This ingredient helps to brighten the skin and even... view more

Betaine. TEGO® Natural Betaine by Evonik is an active conditioning agent, moisturizing and protective agent. It is a vegetal derived amino acid (trimethylglycine), which increases skin's moisture... view more