The Dry Down Hoax, Have you been fooled?

摘要

Almost everyone has heard of or performed the dry down test. You know, the one where the manufacturer tells you to pour some undiluted chemical into a concaved glass full-strength. This test is shear brilliance from a marketing point of view. It shows off a particular feature of their product. How it won't leave a sticky residue that promotes rapid resoiling. However, there are many problems with this test in its current protocol.