Sebaceous hyperplasia (permanently engorged sebaceous glands) is one of the most challenging skin lesion to treat in dermatology as the roots of the sebaceous glands often extend beyond top layers of the skin.
Photodynamic therapy (PDT) involves application of Levulan for a specified duration...
Steevo deevo,
PDT has not been shown clinically to be effective against Fordyce spots. It is also unfortunately not covered by your insurance for the treatment of these benign spots. I agree with the others - I would try electrodessication or spot TCA to the areas to see if you get good...
Photodynamic therapy will not only treat the actinic keratoses and sun damage on your arms, but will stimulate some collagen to help your fine lines. You must use sun protection to prevent more damage.