Action of alpha arbutin
Alpha arbutin is a pure, water-soluble active ingredient highly effective in skin lightening. It works by inhibiting the activity of the enzyme tyrosinase, which is responsible for the production of melanin—the pigment that causes discoloration, freckles, and tanning. This results in:
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brightens the complexion and evens out skin tone
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reduces sun spots, freckles and age spots (liver spots)
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increases skin brightness and minimizes the effects of tanning after UV exposure
Compared to beta-arbutin:
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It has a 10-fold greater tyrosinase inhibition efficacy (confirmed in vitro and in vivo)
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It has a much higher chemical stability
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It does not inhibit cell growth at a concentration of 1 mmol/L, which proves its safety
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