beard stubble

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lothman
Posts: 720
Joined: Sat Feb 14, 2009 7:00 am
Location: Stuttgart/Germany

beard stubble

Post by lothman »

Hi,
this is kind of a selfie, at least a very tiny portion of a selfie :D some beard stubbles from me.

Mitutoyo 20x; 3µm steps, 170 shots, backlight and LED from left and right.

best regards
Lothar
Stoppeln_20x_1024_pmg.jpg
(link to larger version)

rjlittlefield
Site Admin
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Re: beard stubble

Post by rjlittlefield »

Lovely -- and admirably free of fine debris!

How did you collect and prepare the specimen?

--Rik

lothman
Posts: 720
Joined: Sat Feb 14, 2009 7:00 am
Location: Stuttgart/Germany

Re: beard stubble

Post by lothman »

rjlittlefield wrote:
Sun Apr 10, 2022 11:14 am
How did you collect and prepare the specimen?
I rinsed my saftey razor in a bowl, the stubbles sank down. I poured the shaving soapy water off. Rinsed with very strong soap solution, then several times with water and finally Isopropanol.

For taking the shots I put the stubbles on a microscope slide and cleaned out some debris using a stereo microscope.


regards
Lothar

P.S.: by the way is there a new approach for the transparent foreground problem in conjunction with slabbing?

MarkSturtevant
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Re: beard stubble

Post by MarkSturtevant »

That is surprisingly interesting! One detail is that different hairs look to have different cross-sectional shapes.
Mark Sturtevant
Dept. of Still Waters

rjlittlefield
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Re: beard stubble

Post by rjlittlefield »

"safety razor" -- that also explains the cleanly cut ends, versus the crushing I might expect from an electric razor.

"new approach for the transparent foreground problem in conjunction with slabbing?" -- no, sorry, not yet.

--Rik

PeteM
Posts: 93
Joined: Sat Jan 05, 2019 12:06 am
Location: West Coast, USA

Re: beard stubble

Post by PeteM »

As intriguing a self portrait as I've seen. Looks to have been painted by an abstract artist.

AlP
Posts: 139
Joined: Fri Oct 08, 2021 5:48 pm
Location: Alberta, Canada

Re: beard stubble

Post by AlP »

Very coooool.

lothman
Posts: 720
Joined: Sat Feb 14, 2009 7:00 am
Location: Stuttgart/Germany

Re: beard stubble

Post by lothman »

on request :wink: here a link to a bigger file

best regards
Lothar

rjlittlefield
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Re: beard stubble

Post by rjlittlefield »

Lovely! The larger version shows great details of the scaly surface of the hair.

--Rik

Thagomizer
Posts: 71
Joined: Fri Jan 25, 2019 2:24 pm
Location: London Ontario

Re: beard stubble

Post by Thagomizer »

Very cool! I thought they were small glass rods!

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jmc
Posts: 152
Joined: Fri Apr 17, 2020 3:14 am

Re: beard stubble

Post by jmc »

As someone who used to work in the personal care industry (and in the development of shaving products) that is a very, very fine image. Thanks for sharing.
Jonathan Crowther

lothman
Posts: 720
Joined: Sat Feb 14, 2009 7:00 am
Location: Stuttgart/Germany

Re: beard stubble

Post by lothman »

jmc wrote:
Wed May 25, 2022 10:19 am
As someone who used to work in the personal care industry (and in the development of shaving products) that is a very, very fine image. Thanks for sharing.
Thanks, I had a look on research gate of your work. What is the best stubble softening shaving soap in your opinion?

regards
Lothar

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jmc
Posts: 152
Joined: Fri Apr 17, 2020 3:14 am

Re: beard stubble

Post by jmc »

lothman wrote:
Wed May 25, 2022 12:39 pm
jmc wrote:
Wed May 25, 2022 10:19 am
As someone who used to work in the personal care industry (and in the development of shaving products) that is a very, very fine image. Thanks for sharing.
Thanks, I had a look on research gate of your work. What is the best stubble softening shaving soap in your opinion?

regards
Lothar
I really wish I could help you with that, but I honestly wouldn't know what to recommend. I shave once a week with a standard razor and prep, and apart from using moisturizer that is the limit of my own face care. Most of my research time on shaving was spent designing and running clinical studies on products, and they were normally kept blinded from me so that I couldn't know what they were. Oh, and running epilator studies - I'm so glad that shaving is the only hair removal I have do myself....
Jonathan Crowther

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