NIB Youthforia BYO BLUSH Color Changing Blush Oil chemical reaction pH

Brand new in box. Full size. Reacts to your skin's unique chemistry to give you the perfect shade - works on all skin tones and skin types - and everyone will get an unique shade Formulated like a skincare product with 20 plant based oils and extracts to give your cheeks hydration and nourishment Easy to use: wear alone on bare skin or on top of makeup Works for all skin tones and types