Sunburned mask marks on the face can usually recover on their own, just pay attention to sun protection. If you feel that it affects your appearance, you can relieve it through laser treatment, photon whitening, and whitening injections. 1. Laser treatment: the common Q-switch laser whitening, is the use of a specific wavelength of laser penetrates the skin, the melanin particles will be crushed, to lighten the pigment, whitening effect. 2. Photon whitening: It is a special light technology that destroys the pigmented tissues and also stimulates collagen, which has the effect of whitening the skin and enhancing the elasticity of the skin. 3. Whitening injection: Glutathione, vitamin C and other filler materials are injected into the local area, which can inhibit melanin production and play a role in lightening and removing the effect of hyperpigmentation. For patients with post-inflammatory hyperpigmentation, it is recommended to go to a regular hospital and under the guidance of a doctor for standardized treatment.