The mechanism of action of whitening products is mainly by inhibiting the proliferation and differentiation of melanocytes, inhibiting melanin synthase, blocking the transportation of melanin particles, accelerating the metabolism of epidermal cells, and blocking the signal transduction pathway in the process of melanogenesis.
In addition, there are also whitening by removing and reducing the negative effects of melanin formation induced by exogenous factors. For example, the use of sunscreen products can reduce part of the acquired melanin caused by ultraviolet radiation, but it cannot reduce or eliminate the formed pigment. Deposition.
According to research, whitening cosmetics with niacinamide as the main active ingredient have a certain effect on inflammatory pigmentation; licorice extract whitening products have a certain effect on melasma; and vitamin C derivative whitening cosmetics, While whitening the skin, it can also improve photoaging.