10 Nontoxic Skin Care Ingredients That Beauty Experts Swear By

What it is: An essential, fatty-acid-rich oil from lemon seeds.

Who loves it: Victoria Fantauzzi, cofounder of La Bella Figura Beauty.

What it does for skin: "Unlike lemon essential oil, which is pressed from the peel, lemon kernel oil is pressed solely from the seeds. Lemon kernel oil claims to be beneficial to the circulatory system, as well as offers moisture retentive abilities that aid dry skin."

Product recommendation: La Bella Figura Beauty The Capsule Collection ($490)