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We, for a moment, stood in the brief glare of her almost actinic light, this crazy brightness coming off of her.

My dermatologist says it can also treat precancerous actinic keratoses that result from too much sun exposure.

Half had already developed one or more actinic keratosis, a precancerous rough, scaly skin lesion caused by years of unprotected sun exposure.

Lasers: “There are at least three lasers that are not only approved for resurfacing skin and improving wrinkles but also FDA-cleared for treating precancerous lesions called actinic keratosis,” Cohen says.

When she and her colleagues visit golf tournaments, they sometimes bring liquid nitrogen, which they use to freeze off precancerous lesions called actinic keratoses.