– how does my purple shower gel and my blue shampoo not colour my skin the same colour as it has been designed to look? It’s a colorant, a pigment isn’t it? How the hell does it just turn to soapy goodness without leaving me the colour of a Smurf?
In: 4
Molecules are basically little guys that make up a thing. Some of them don’t like their hands empty – like the ones in shampoo or shower gel. They like to grab onto things, that’s how they clean you. They also grab onto the little pieces of pigment so when you wash them off, they take those with them.
Purple shampoo does color your hair if you leave it on for long but with shower gel, we don’t give it enough time to leave a noticeable tint.
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