2017 Face & Body Northern California

Cheryl Silvestri
Director of Business Development
Sesha Skin Therapy


Phyllis Hsieh is the co-founder of Conrex Pharmaceutical Corporation, a R&D company of drug delivery and cosmetics, which owns patented and FDA approved Permeation Enhancement Technology (P.E.T™). Hsieh has been the driving force behind Conrex and created Sesha Skin Therapy, a professional skin care brand utilizing P.E.T™. She earned her nursing degree in England and is also a licensed esthetician in the U.S. During the past 25 years, she has worked closely with her team of scientists and chemists to create the most advanced skin care for today's skin specialists. Under Hsieh's direction and leadership, Sesha has expanded into a comprehensive line of over 60 therapeutic products and has broadened the markets in Asia, Europe, the Middle East and other international countries.

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