What are solar lentigines?
-Solar lentigines are brown spots 1 cm or greater in diameter, occurring usually on the face and back of the hands.
-Solar lentigines are evidence of excessive sunlight exposure.
-They are found in individuals over 40 years of age, especially if they have a long history of working outdoors.
How are solar lentigines treated?
-One should avoid the sun and use a sunscreen.
-Topical treatment can be tried first which includes:
- -4 methoxyphenol (at 2% concentration) (hydroquinone is ineffective) to apply every other day.
- -Retinoic acid (at 0.025% concentration) to apply every other day.
-Destructive treatment is also effective and includes:
- -liquid nitrogen application
- -laser (NDYAG) or IPL treatment
- -and chemical peel are effective in removing the lesion.