At a very early age, I was diagnosed with trichotillomania. It evolved to picking my face and touching it all the time during my teenage years, which led to painful acne and scarring along my jawline. When I moved to New York for college and truly learned what skincare was, it became warp-speed trial and error about how to treat the issues that were making me self-conscious—hyperpigmentation, dryness, and dullness. I wanted...