# How do 2-in-1 shampoo/conditioners work?

**URL:** <https://boards.straightdope.com/t/how-do-2-in-1-shampoo-conditioners-work/501001>\
**Category:** Factual Questions\
**Created:** [June 25, 2009, 11:56pm UTC](https://boards.straightdope.com/t/how-do-2-in-1-shampoo-conditioners-work/501001 "2009-06-25T23:56:02Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![Alex\_Dubinsky](https://avatars.discourse-cdn.com/v4/letter/a/dbc845/32.png) [@Alex\_Dubinsky](https://boards.straightdope.com/u/Alex_Dubinsky)\
**Post date:** [June 28, 2009, 7:24pm UTC](https://boards.straightdope.com/t/how-do-2-in-1-shampoo-conditioners-work/501001/21 "2009-06-28T19:24:31Z")

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A good approach instead of using conditioner is to only shampoo once every couple of days, lightly. Maybe not up to modern hygienic standards, but it sure leaves hair looking great.

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