Why does my hair get oily if someone uses my brush?

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Offline Donnah

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If someone else uses my brush and then I use it, my hair becomes oily within hours, even if it's freshly washed.  Why is that?
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Offline Geezer

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Re: Why does my hair get oily if someone uses my brush?
« Reply #1 on: 14/04/2012 08:39:52 »
If someone else uses my brush and then I use it, my hair becomes oily within hours, even if it's freshly washed.  Why is that?

Perhaps the other individual is too unctuous?
There ain'ta no sanity clause, and there ain'ta no centrifugal force Šther.

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Offline RD

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Re: Why does my hair get oily if someone uses my brush?
« Reply #2 on: 14/04/2012 15:15:14 »
If someone else uses my brush and then I use it, my hair becomes oily within hours, even if it's freshly washed.  Why is that?

You are inoculating your scalp with the other person's skin bacteria, which could trigger extra oil production within a few hours. Sebum [oil] produced by the scalp / skin is a bactericide ...

Quote
Tear ducts, sebaceous glands, ears, nose, lungs, mouth and digestive tract all secrete antimicrobial substances
http://www.microbiologytext.com/index.php?module=book&func=displayarticle&art_id=384

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Offline Donnah

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Re: Why does my hair get oily if someone uses my brush?
« Reply #3 on: 15/04/2012 21:39:59 »
Goodness Geezer, I had to look unctuous up in the dictionary.  It doesn't matter how squeaky clean the other people using my brush are, it elicits the same response.  Even when I don't know that the brush was borrowed.

RD, what you say makes sense, an immune response is triggered.  I'll try brushing the animals with my brush and see if it has the same effect.
"Remember, if you ever need a helping hand, you will find one at the end of each of your arms." - Audrey Hepburn

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Offline RD

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Re: Why does my hair get oily if someone uses my brush?
« Reply #4 on: 15/04/2012 22:18:23 »
... I'll try brushing the animals with my brush and see if it has the same effect.

Transmission of infection from hosts who are members of the same species is more likely than if the hosts are different: it may difficult or impossible for some infections to cross a species boundary.

IMO everybody, including the animals, should have their own brush: why risk some horrible skin condition in human or pets, e.g. , (and the cost of treating it), for want of a few cheap brushes.
« Last Edit: 15/04/2012 22:21:13 by RD »

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Offline Donnah

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Re: Why does my hair get oily if someone uses my brush?
« Reply #5 on: 17/04/2012 08:33:37 »
I've hugged, kissed and cuddled animals all my life and never had a problem other than a few worms, which we all get anyway from things like doorknobs and keyboards.  I heard on the news that they are giving children pills made from dirt so they can build a decent immune system.

I agree with your caution if the people or pets have a contagious health issue.
"Remember, if you ever need a helping hand, you will find one at the end of each of your arms." - Audrey Hepburn