Can I use retinol, vitamin C, and glycolic acid together in my routine?

Yes, but not all at once. These are all active ingredients that work best when used thoughtfully. A good approach: use Vitamin C Serum in the morning (followed by SPF), and use retinol or glycolic acid in the evening — not on the same night, especially when you’re first starting out. Alternating evenings (retinol on Monday/Wednesday/Friday, glycolic on Tuesday/Thursday, for example) allows each active to work without overwhelming the skin. As your skin builds tolerance, you can adjust the frequency. Always moisturise after using any of these actives, and never skip SPF in the morning when using exfoliating or vitamin A ingredients.

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William Levins

Bill Levins, a marketing professional since the early 1990s, collaborated with clients like Campbell’s Soup and PWC. In 2004, he began working with Reviva Labs, becoming VP of Marketing in January 2018 and President in June 2018. He led the company through challenges, including the founders' deaths and the COVID-19 pandemic. In June 2024, after Reviva Labs' acquisition by Sendayco LLC, Bill became VP of Marketing for Sendayco, overseeing multiple brands.