Avoid excessive sun exposure. No sunburn.u003cbr/u003eDiscontinue to use topical retinoids 24 hours prior to Microneedling.u003cbr/u003eAvoid treatment if you have active breakouts or open lesions.u003cbr/u003eAllow 24 hours after auto immune therapy. u003cbr/u003eWait at least 6 months before oral isotretinoin use.