Because they haven't been through rigorous trials, the adverse effects of using over-the-counter lash enhancers aren't known, dermatologists say.

WSJ: Aches & Claims: Another Wand for When Mascara Isn't Enough

It is unclear whether the antioxidants in grapeseed oil penetrate the skin sufficiently to benefit the skin, dermatologists say.

WSJ: An Oil's Promises, From Cooking to Cosmetics

Local dermatologists say they are seeing more and more patients whose skin has been damaged by years of bleaching - most of the time irreversibly.

BBC: Africa: Where black is not really beautiful

Holick has a solution--limited direct exposure to the sun--that infuriates many dermatologists worried about the skin cancer risk. (A far better idea, they say: Take a supplement.) In 2004 he published his book The UV Advantage, touting the benefits of sun exposure, and was kicked out of the BU dermatology department, where he previously held a joint appointment.

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