New Authentic A plumping and hydrating lip balm that blooms to your custom shade by reacting with the pH level of your lips. your lips will be flushed with your perfect shade. This big, bold, plumping lip treatment—now available in three spring-inspired shades—is an utterly hydrating lip-plumping balm that applies like silk and envelops to bring lips to their ultimate suppleness. A unique reactor works with your individual pH level to transform to the most flattering custom shade.