In the first study cysteamine, a reduced form of cystamine ... and also increased serum levels of BDNF in mouse and primate models of HD. In the second study, pretreatment with low doses of ...

The main ingredients include hydroquinone, retinoids and cysteamine. However, Kapend notes that hydroquinone should not be used long-term and cysteamine is a safer, long-term alternative.

The present report deals with a series of experiments on the effects of cystamine, cysteamine and cysteine when added to cultures of chick fibroblasts shortly before irradiation.