Marc Anthony Strictly Curls Curl Envy Leave-In Conditioner. Hydration is your curls’ best friend. Crafted with Shea Butter, Avocado Oil and Vitamin E. Our Strictly Curls® Curl Envy Leave-in Conditioner is formulated to ease frizz and bring your curls back to their natural shine and touchable glory. Curls are left feeling soft, detangled and oh so smooth.