If you look in the toolkit of any professional makeup artist, YouTube beauty expert, or budding makeup enthusiast, you’re probably going to find a Beautyblender. It’s the hot-pink, egg-shaped sponge that transformed makeup application in an HD world. And, according to Beautyblender’s CEO, Rea Ann Silva, most of us are using it wrong.

We talk to the founder and creator of the world’s most popular makeup sponge about everything from how she came up with the egg-shaped sponge, to the proper way to use it. She even has a thing or two to say about those who claim that your Beautyblender can kill you. Learn how this beauty mogul and true boss babe manages the empire behind one of the best-selling beauty tools of all time.