The (new) ordinary: How do you add new products into your skincare routine?
I asked Deciem for advice on how to incorporate new The Ordinary products into my skincare routine. Here's what they recommended.

Do you remember PEMDAS? It’s an acronym that we used in math class to remember the proper order of operations: Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction? Or, Please Excuse My Dear Aunt Sally (Poor Aunt Sally, what did she ever do to deserve being excused?).