Infinite Medical Spa on Instagram: "Most Vitamin C serums are a waste of money before you even open the bottle. They oxidize the second they hit air, turning into useless (and potentially irritating) orange liquid. Vivier is different. Here’s why this is the only Vitamin C worth your investment. 1. Pharmaceutical Grade Purity Vivier uses L-Ascorbic Acid USP, the highest pharmaceutical standard for purity. Most brands use “cosmetic grade,” which lacks the potency and consistency required for clin

ITECH Lyon | Ready to start a career in cosmetics? Stephanie from Colombia shares her journey studying Formulation Chemistry at ITECH Lyon and how her... | Instagram