Others, which are legal to buy but not approved for use in humans, are sourced from Chinese labs and labeled "for research purposes only." According to U.S
Rather than counteracting with any other brightening components (were talking vitamin C, licorice or azelaic acid), this iconic ingredient actually enhances the performance of other antioxidants
Unlike DSIP, Z-drugs have well-established efficacy but carry risks of tolerance, dependence, cognitive impairment, and residual daytime sedation
Schapira et al., 1990
Ideal candidates include individuals with uneven skin tone, chronic sun-related pigmentation, melasma, or dull complexion driven by environmental exposure concerns that are particularly prevalent among patients from Andheri, Juhu, Versova, and Lokhandwala due to Mumbais year-round UV intensity