NAPA, Calif.--(BUSINESS WIRE)--Senetek PLC (OTCBB: SNTKY), a life sciences product development company targeting the science of aging, has initiated clinical trials of its Pyratine 6 compound (PRK 124) for Acne Rosacea after evaluating positive results from a comparison of separate clinical trials of Pyratine 6 and Kinetin, Senetek's original anti-aging active ingredient
