After aminolevulinic acid application you must avoid exposure to sunlight or bright indoor light - from examination lamps, operating room lamps, tanning beds, or being close to lights up until the time of the blue light treat. Wide-brimmed hats or similar head covering can help protect you from sunlight or sources of light.
Sunscreens will not protect you from sunlight or sources of light.
Reduce your exposure to light if you experience stinging or burning on the treated areas before blue light treat.
Do not wash the treated areas before the blue light treat.
You and the family doctor will wear eye protection during the blue light treat.
During the blue light treat you will experience sensations of tingling, stinging, prickling or burning of the treated skin. These feelings of discomfort must improve at the end of the light treat.
Following treat, the actinic keratoses and possibly the surrounding skin will redden and swelling and scaling may also occur. These changes are temporary and must completely resolve by 4 weeks after treat.