Thanks for your question. PDT is a completely different type of energy than the lasers used for tattoo removal, so there should be no problem getting your sun damage and AKs treated with PDT. The blue light usually used for PDT is not going to see or target tattoo ink, and although...
Photodynamic therapy with the blue light is not the best treatment for rosacea, and can make it worse. PDT is for actinic keratoses which are precancerous lesions that have nothing to do with rosacea. Most patients are pretty red after PDT and that's probably not the look you...
It usually takes 1-3 treatments and recent data suggests more than 80% respond to treatment with significant improvement. We usually recommend treatments every 2-4 weeks.