3/5/2013

Polycaprolactone gel injections smoothed nasolabial folds better than hyaluronic acid injections in a 40-patient, single-center trial, researchers report. Polycaprolactone microspheres in a glycerin-water gel matrix may stimulate collagen production. Researchers used less polycaprolactone than hyaluronic acid to achieve desired results in the split-face study.

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