The research hypothesis is that topical application of a mixture of pre-polymers of polypropylene glycol and polyethylene glycol (an optical clearing agent) will reduce skin light scattering, increasing the amount of light reaching the target for diagnostic as well as therapeutic purposes.
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Outcome measure is to evaluate the optical clearing effects of the combination mixture of pre-polymers of polypropylene glycol and polyethylene glycol.
Timeframe: 8 weeks