Say buhbye to brass with OGX Blonde Enhance Purple Toning Drops This highly pigmented and potent dark purple liquid dispenses into drops to add to your favorite shampoo conditioner and creambased styling products. Use it to brighten and colorcorrect yellow tones on silver prelightened or natural blonde hair with strengthening ingredients like Keratin purple fig and iris. Rinse out or leavein. However you use these customizable drops banish unwanted brassy tones.