GRO Hair Serum

Zion Ko Lamm, MD is a board-certified Internal Medicine physician based in Charlotte, North Carolina known and loved for her skincare and wellness tips and tricks. On her Tik Tok and Instagram, you'll often find her debunking skincare myths, walking through her routines, and reviewing the latest in K-Beauty.

Joyce Park, MD, FAAD is a Stanford & NYU trained board-certified dermatologist and founder of Skin Refinery, a virtual dermatology practice. She blogs about skincare, beauty, and new motherhood at www.teawithMD.com and strives to educate and entertain through Instagram, TikTok, and other social media channels. As a skincare and beauty expert, she is a frequent contributor to media outlets, and Dr. Park has been featured in Allure, Marie Claire, Glamour, Forbes, Buzzfeed, Time, Huffington Post, Women's Health Magazine, and more. She was one of the expert judges in the 2020 Self Healthy Beauty Awards, the 2022 Glamour Beauty Awards, and she has appeared as a guest speaker on several podcasts including Gloss Angeles and The Holistic Plastic Surgery Show.

Dr. Sam Ellis is a board-certified dermatologist based in the San Francisco Bay Area. Her goal is to answer all of her audience's skincare and treatment questions, share honest product reviews, and give a peek into her life (in and out of the office) as a millennial dermatologist.