Kosas Weightless Lip Color Lipstick in Stardust. Kosas Weightless Lip Color Lipstick in Stardust. Kosas Weightless Lip Color Lipstick is a universally flattering shade with an unconventional, clean, non-toxic formula that melts comfortably into the lips and stays throughout the day to hydrate and nourish. Formulated with Mango Seed Butter to smooth fine lines, Shea Butter to soothe & soften, Cocoa Seed Butter to support repair, and Jojoba, Rosehip and Green Tea Seed Oils to provide antioxidants, vitamins, and free radical defense.. Stardust - sheer and neutral nude with pink and brown undertones. Green Tea, Rosehip Oil, and Grapeseed Oil contain antioxidants that heal cells and fight free radicals. Mango and Shea Butters heal and moisturize to protect lips and prevent fine lines. 0.014 oz. Wipe lips bare to ensure full coverage. KOSA-WU1. 01 05. Makeup for skincare freaks. Sheena Yaitanes created Kosas in 2015. It's quick, easy, really-works makeup that also doubles as skincare - packed with clean treatment ingredients. Because taking care of your skin includes the makeup that you put on it.