Pro Lab Alpha Arbutin + Niacinamide Brightening Body Lotion 500ml. This combines two powerhouse actives to even skin tone, fade dark spots and b0ost hydration. Alpha arbutin gently inhibits melanin formation for brighter, more uniform skin while niacinamide strengthens the skin barrier, calms redness and locks in moisture. The lightweight, fast absorbing formula leaves skin feeling silky smooth and looking radiant with daily use.