Single-Ingredient Brightening Serums – Westman Atelier’s Suprême C is Made with 100% THD Ascorbate (TrendHunter.com)

(TrendHunter.com) Instability and rapid oxidation make Vitamin C serums a challenge to formulate and some consumers with sensitive skin experience irritation due to low pH levels, but Westman Atelier Suprême C…(TrendHunter.com) Instability and rapid oxidation make Vitamin C serums a challenge to formulate and some consumers with sensitive skin experience irritation due to low pH levels, but Westman Atelier Suprême C…