The antirosine-booster preparation has been developed to provide a targeted treatment for the clarification of extremely stubborn skin spots, thanks to innovative raw materials and friendly penetration enhancers that enable effective and powerful treatment. Unlike melanin suppressants, it is very important to apply the serum directly and focusedly to the surface of the stains without applying to the rest of the skin that do not carry the stain. To use: Apply twice daily, morning and evening to stain until fully absorbed. Apply moisturizer about 2 minutes after use. If the innovator is used, the innovator will apply about five minutes before