Tanning before/after laser hair removal The laser works in such a way that it focuses on dark hair follicles, when the surrounding skin is even twice as dark, the laser can damage the layer of the skin and cause a burn. That’s why the laser salons require at least two weeks (12 days) difference between tanning treatment and laser treatment. After the laser treatment, you can tan already after 48 hours (after the pores in the skin have closed) and there will be no sensitivity in the skin. It is important to note and clarify Today there are modern laser technologies that know how to be more precise and perform treatments even when the skin is dark. SHR and the like – it is recommended to consult with the technicians of the laser you are doing in order to get an accurate answer.