Bi-directional beauty, a new “trend” in skin care, is an approach for maintaining a healthy complexion. This two-way skin care method includes topical and ingestible elements, promoting the notion that healthy skin really begins from the inside, out. ZSS Skincare a serum-meets-supplement skin care system developed by a team of experts, is a leader in the next generation of bi-directional beauty. To help consumers figure out what products consumers should try to fit their skin type, ZSS has ...