Shaving with black marks usually requires no treatment if there is no other discomfort. If the condition is due to inflammatory pigmentation caused by repeated mechanical stimulation or skin damage, it can be improved by laser treatment and medication. This condition is mostly caused by residual stubble in the hair follicles or enlarged pores, and usually requires no special treatment. If the inflammatory hyperpigmentation is caused by repeated mechanical stimulation or skin damage, it can be improved by laser treatment such as photorejuvenation and picoseconds, but usually requires multiple treatments; it can also be supplemented with topical medications such as hydroquinone cream to promote pigment absorption and improve hyperpigmentation. Folliculitis symptoms such as redness, swelling, heat and pain, or laser treatment, medication, it is recommended to go to a regular medical institution, under the guidance of a specialist physician standardized treatment.