![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjC8yvSuGoPoHifYVi2Q-yis_6fgT9TMOfA1ISQFIStSlfbGhfO5NaM1sPW9kKXxTXi13DW9KOt0BpyTB9_Tp6cYoObIM1ggYPxLQb-PND6nXDQs27tJWRfn-hZ1CojHpZhqsTiTOWhDFi_/s400/hairIMGP1115.jpg)
I seem to be acquiring more grey hairs with every passing day at the moment, so I thought I might as well take a look at them under the microscope. Magnfied x400, it's clear that the grey ones aren't so much grey as colourless (foreground) - increasing numbers of my hair follicles have given up making melanin pigment.