Only Your Fat Cells Know For Sure

WHEN IT COMES TO HAIR color, the best do-or-dye efforts haven't gotten to the root of the problem. Biotech startup AntiCancer Inc. in San Diego has a new scheme for zapping those unsightly grays: Its scientists insert color into fatty droplets called liposomes, which can be applied to the scalp in a shampoo, says Andrew W. Perry, president of the consumer products unit. Researchers discovered the technique while developing a treatment for chemotherapy-related hair loss.

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