Yes, Elf concealer is silicone-based. Silicone is a popular ingredient in many beauty products, including concealers, as it provides a smooth, even finish and can help fill in fine lines and wrinkles. Elf's concealer also contains vitamins A and E, which are known to be beneficial for skin health. It's also cruelty-free, making it a great choice for those who want to use products that are kind to animals.