Our beauty pens contain vitamin C, niacinamide, and arbutin. It helps improve dullness, remove skin impurities, brighten skin tone, achieve even and transparent complexion, moisturize and nourish smooth and hydrated skin. Its usage is simple: gently press, squeeze out an appropriate amount of liquid, apply it to the melanin area, aim the pen at the melanin area, evenly apply with fingers, massage in circles for 10 seconds, and then gently pat until absorbed. After use, the skin is smooth, flawless, and spotless, effortless, and worry free!