A Powerful and Safe Whitening & Skin-lightening Agent ¬†4-Butylresorcinol is a whitening and skin lightening agent with unique characteristics in terms of efficacy and safety on the skin. Hyperpigmentation is due to melanin accumulation,¬†which can occur because of aging or disorders like melasma. The key regulator of melanin production is the enzime tyrosinase, and therefore […]