Discover how to perform a quick patch test for cosmetics to ensure they won't cause any allergic reactions on your skin. Geonna Snyder (@theartge) demonstrates an easy method using a water-activated palette. Learn why patch testing is crucial and how long to leave the product on your skin to detect any adverse reactions early on. Don't skip this essential step before applying new makeup products! Don't miss her Domestika course and learn the art of fantasy makeup and transform your looks into am