This yellow liquid color is perfect for lab experiments. It an easy-to-use lab color for soap and lotion, providing a vibrant yellow color for soap making. Add a few drops of this diluted liquid colorant to your DIY soap and lotion for a beautiful result. Please note that it may not stable in cold process. Upgrade your cosmetic products this high lab color - Yellow Liquid Color. Lab color liquid color, yellow, colorant, DIY color, lotion color Yellow liquid color for lab. Easy-to-use color for soap and lotion Diluted liquid color DIY soap and lotion Non-stable colorant cold process soap.ant yellow color for soap making. Lab-quality liquid color for cosmetic products.