Pigment vs Dye in Makeup: Why Some Colours Stain and Others Wipe Off
Why does a lip stain leave colour on your lips long after the gloss has gone, while a pressed eyeshadow wipes away with a cotton pad? The answer usually comes down to whether the colour comes from a dye or a pigment. Dyes are colourants that dissolve in water, oil or alcohol. Because they dissolve,…
