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Posted

I have seen him often plucking his beard hairs with tweezers, so I started to think about whether it is possible to keep beard short with the tweezers, without shaving it.

I searched information of the beard from the Internet. Estimates of a beard growth were pretty unanimous (about 1/2 inch/month, 5 inch/year, ...), so I used 15 cm/year in my calculations. Estimates of the beard hairs per beard varied between 4 000 to 40 000 (more personal variation), but the average was often estimated as 10 000, so I used that.

Then the math.

All the beard hairs grow per year in total:

15cm * 10 000 = 150 000 cm (1.5 km), which is 4110 mm/day (4.11 m/day)

His beard is about 3 mm, so he must pluck 4110/3 = 1370 beard hairs/day

If he plucks beard hair every three seconds it takes 1370 * 3 sec = 4110 sec/day = 68 min/day.

Conclusion:

He does not have to shave his beard, if he uses about an hour per day for plucking it.

Posted

Any information on age factor.  As I get older I get a hair cut less and less often because is does not grow as fast.

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