soybean extract had a skin lightening effect in treating facial hypermelanosis in 44 individuals.50 Overall, promising results from multiple randomized-control trials and the well-tolerability of soy extract supports the use of soybean extract in treating hyperpigmentation.
DISCUSSION
Asian cosmeceuticals containing natural plant-derived ingredients
are increasing in popularity in the U.S. and worldwide. As the market for these skin care products continue to grow,
consumers will increasingly seek advice from dermatologists
regarding their efficacy. The scientific and clinical evidence supporting
some of the most popular ingredients formulated in
Asian skincare products used to treat hyperpigmentation, as
reviewed here have shown them to overall be safe and welltolerated.
Although, well-controlled, robust clinical studies
evaluating the safety and efficacy of plant extracts for treatment
of hyperpigmentation are continuing to evolve, as reviewed