pixi beauty skintreats glow tonic serum 1 01 fl oz 30 ml pixi beauty pixi beauty glow tonic serum hydrates and nourishes your skin while providing gentle exfoliation to achieve a smooth, balanced and radiant complexion. as the product designed to hydrate and nourish your skin in our expanded line of glow tonic products, pixi beauty glow tonic serum is the third step in a brilliant skincare routine. this lightweight serum infuses your skin with beneficial nutrients while setting the stage for the final phase of your daily routine. a little serum goes a long way, with only a few drops of the powerful formula needed to achieve a balanced and radiant complexion.