RENEE Madness pH stick is a stick of absolute magic when you want to keep the affairs of your lips hush hush! It is a lipstick with a bullet that appears black but transforms into a unique pink shade according to your skin's pH level. It's like wearing lipstick without letting anyone know you are wearing one! Your lips come alive as they respond to it, giving you a shade of pink that’s perfectly unique to your skin tone. Enriched with Jojoba oil, Macadamia oil, Olive oil, & Shea butter, this formula puts your lips under a spell of intense moisture & nourishment.