Gel-Del Technologies, a St. Paul, Minnesota based biomedical device company announced that it has concluded clinical trials of CosmetaLife, a dermal filler injection that company officials say holds potential to be a more effective alternative to currently available treatments for deep lines and wrinkles that activates a more natural skin correction. The company began clinical trials of CosmetaLife, a gel-particle product for injection to correct wrinkles, at six U.S.