When I’m in the shower, sometimes I’ll notice my hair is particularly greasy and once I’ve rinsed off the first round of shampoo, I’ll apply a second round. And no matter how small of an amount I apply the second time around, it turns into a baby bubble bath commercial with oodles of suds and bubbles and foam all over the place?
Is it because the first lot got used up on a larger bulk of grease and the second amount doesn’t and so it can bubble up more?
In: Chemistry
I never bothered looking into the exact science, but I had the same observations and came to the same conclusion. It’s why I always shampoo twice! That bubbly foamy feeling reassures me my hair is clean.
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