This is a mixture of the natural amino acids predominantly of sulfur content, i.e., cysteine, cystine, methionine. These amino acids are essential to protein metabolism during which they give up their sulfur, thereby enabling the body to build up its own amino acid model. Non-toxic.
« Back to Glossary IndexTrusted For Generations
It’s a great feeling to know Reviva is being “handed down” from mother to daughter – and even to their granddaughters. And for our next generation of loyal Reviva users we promise to keep delivering the natural skin care people respect and trust.