Microneedle Lesion Preparation Prior to Aminolevulinic Acid Photodynamic Therapy (ALA-PDT) for AK on Face

20% ALA applied to face prior to light treatment

Levulan Kerastick containing vehicle ingredients only. Vehicle solution applied to face prior to light treatment

10 J/cm2 blue light delivered at 10 mW/cm2 for 16 minutes 40 seconds

Microneedling of all visible/palpable AK lesions prior to solution application.

10 J/cm2 blue light delivered at 20 mW/cm2 for 8 minutes 20 seconds