Pitera is a fungal filtrate patented by SK-II. But fungal filtrates are used by several companies. Lets talk about what a fungal filtrate is and then I'll list some of my favorite dupes to SK-II's Essence.
Quick answer: the US Food and Drug Administration (the FDA). But it's actually not that clear cut. Let's say you're a youtuber and want to launch a lipstick, we're talking hypothetically for the millennial crowd, there are a series of things legally you can and cannot include in your lipstick. That list is maintained by [...]