LED light, algae-based skin-care products and technology that employs fine probes to correct blemishes: They're just some of the treatments now used to tackle adult acne. Others involve treating the entire body nutritionally. Brooke Venables, a consulting naturopath, said correcting diet and hormones can help clear adult skin. "My general approach is that you can't effectively treat the outside if you don't treat the inside too," she says.
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