The story unlocks once you make your call.
A myth. Tested since 1928. Same hair, blunt tip.
Where it came from
Freshly shaved stubble really does feel coarse and look dark, so the belief keeps renewing itself every morning.
What’s actually true
A razor cuts the hair above the skin; it cannot reach the follicle that decides how thick, dark or fast a hair grows. Studies going back to 1928 have found no change in thickness, colour or growth rate after shaving.
Regrowing hair has a blunt cut end instead of a fine natural taper, which feels bristly, and it has not yet been lightened by sun, so it looks darker for a while.
Further reading
- Mildred Trotter, Anatomical Record (1928)