
The brand’s proprietary SynerPro Complex—a mix of tranexamic acid, 4-butylresorcinol, hexylresorcinol, and purified licorice root—is responsible for the lightening action. —Britt Fallon, director of beauty

The brand’s proprietary SynerPro Complex—a mix of tranexamic acid, 4-butylresorcinol, hexylresorcinol, and purified licorice root—is responsible for the lightening action. —Britt Fallon, director of beauty
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