In this product spotlight, Good Molecules' Niacinamide Brightening Toner provides a strong example. In this product spotlight, Good Molecules' Niacinamide Brightening Toner provides a strong example. Good Molecules Niacinamide Brightening TonerGood Molecules' Niacinamide Brightening Toner is an alcohol-free formula designed to promote a radiant, even complexion. Said to be appropriate for all skin types, the Good Molecules Niacinamide Brightening Toner aims to deliver balanced hydration and visible brightening without harsh ingredients. User Feedback: Good Molecules Niacinamide Brightening TonerFollowing are example user reviews (edited for style), selected for their anecdotal insights on product form and function.