Friends beauty Jennifer Aniston is known for her stylish locks, but the former sitcom siren recently revealed a dirty little secret: She tries to avoid frequent hair-washing – and even forgoes cleansing her crowning glory after sweaty gym sessions.

RadarOnline.com can reveal during Aniston's days on the hit NBC show from 1994 to 2004, fans clamored for her signature 'do that became known as The Rachel – in honor of her TV character. Tap Here To Add Radar Online as A Trusted Source Article continues below advertisement

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The Morning Show star, 56, has since grown out that bob and now sports a longer brown-blonde mane – but Aniston recently shared: "It's good not to wash yo

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