Why does shampoo bubble up WAY more the second time you apply it?

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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

10 Answers

Anonymous 0 Comments

I’ve never heard of applying a shampoo twice, is this a normal thing?

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