Study 2 - L-Cystine for Skin Whitening

Study 2 - L-Cystine for Skin Whitening

This study investigated the effects of oral supplementation with L-Cystine and L-Glutathione on skin lightening and reducing facial dark spots.

The effects of the oral supplementation of L-Cystine associated with reduced L-Glutathione-GSH on human skin pigmentation

Objective

To evaluate the skin lightening and anti-dark spot effects of oral supplementation with L-Cystine associated with L-Glutathione as compared to placebo and benchmark.

Subject

124 participants

Main results 

The results showed that the combination of L-Cystine and L-Glutathione significantly lightened skin and reduced facial dark spots after 12 weeks. With a 12 weeks is a safe and effective treatment for skin lightening and reducing facial dark spots.