KNC Mask is a skincare product brand known for its all-natural, collagen-infused liKNC Mask is a skincare product brand known for its all-natural, collagen-infused lip and face masks. The masks are designed to hydrate, plump, and rejuvenate the skin, using ingredients like collagen, hyaluronic acid, and vitamin E. KNC stands for Kimberly Noel Cosmetics, created by beauty entrepreneur Kristen Noel Crawley. The masks are cruelty-free and popular for their fun, stylish packaging and effective results.p and face masks. The masks are designed to hydrate, plump, and rejuvenate the skin, using ingredients like collagen, hyaluronic acid, and vitamin E. KNC stands for Kimberly Noel Cosmetics, created by beauty entrepreneur Kristen Noel Crawley. The masks are cruelty-free and popular for their fun, stylish packaging and effective results.