Glutathione for the Skin Lightening : Benefits & Side Effects IV Drip DERMDOC LipBright Treatment 1% Glutathione + 2.5% Arbutin Lip Lightening Balm (10 ml) So, what exactly does Glutathione do for your lips? In simple terms, it's a powerful ingredient that naturally delivers antioxidants to protect your lips from free radical damage and premature aging. DERMDOC LipBright Treatment with 1% Glutathione + 2.5% Arbutin Lip Balm, 10 gm Brightens Lip