287: The 12 Actives for Glowing Skin; How Long Products Last; and the Importance of "Freshly-Activated" Ingredients, with Exponent Beauty's Liz Whitman
***USE CODE SONNI20 for your first purchase on Exponent Beauty before June 1, 2024!*** Here is the Vitamin C serum that I'm using that's made my skin crazy bright. When you slather on that Vitamin C serum that you paid $100 for, when was it mixed? How long will it last? And how do you know you’re using the right amount on your skin? Liz Whitman is the founder of Exponent Beauty, a company that makes skincare products that pretty much eliminate the need to worry about any of the above.