Exfoliation. 1  Aside from exfoliating to help skin renew itself faster, you can attack dark spots with skin lighteners such as kojic acid, licorice extract, arbutin, mulberry extract, and vitamin C. 2  Hydroquinone is also a skin lightener. 3  Many Asian skin care products target the lightening and whitening of skin as well.ther dark spots and types of skin hyperpigmentation can come from aging, sun damage, and even using birth control pills. Most of the time, acne marks and dark marks that you get from skin wounds will go away on their own.