Hi and thank you for your question! While as a general rule you should always protect your skin from sun damage by continuous proper application of SPF 30+ broad spectrum sun block, it’s even more important to do so before and after Fractional laser treatment. Doing so before the laser will allow your provider to use a higher setting of laser, increasing the effectiveness of the treatment (we often even give brightening creams before laser to be able to go higher on the settings). After the treatment and while your skin is healing, it is also more prone to develop pigmentations (PIH) and hence you need to pay extra attention to protect it from sun damage. Once the healing is completed (2-3 months for deep Fractional CO2 laser), you can go back to your routine plans, although sun damage is never good and it’s the leading cause of skin aging as well as skin cancer. The CO2 laser is not expected to have a long lasting impact on the pattern your skin tans. I hope it helps and good luck!
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