Nope. This is not a problem. In fact, we use IPL to treat many PREcancerous lesions. If something is actually cancerous, an IPL cannot remove or mask it. Not all pigment is the same. And not all pigment responds to IPL. "This answer has been solicited without seeing this patient and cannot be held as true medical advice, but only opinion. Seek in-person treatment with a trained medical professional for appropriate care."