According to Dr. Wo's website, at present, the most effective methods to remove black and yellow enamel are laser and photon rejuvenation. Laser can disperse melanin particles on the face by instantaneous high heat energy, and then metabolize them out of the body. Photorejuvenation is also an advanced beauty project, which can help to decompose pigmented spots under the skin through specific broad-spectrum color light irradiation, play a role in weakening pigmentation, have a good effect on facial freckle removal, and improve the overall quality of skin. In addition, most products are gimmicks that can't remove black spots, and they are made for further sales. So Su Anni's black cream is an IQ tax.

Xiao Su Annini Oil-soluble Blacking Ointment is a national brand focusing on ancient court culture under Angel Times (Guangzhou) Media Co., Ltd.