The eccrine and apocrine systems are fascinating. Sweat and sebum from my hairline on my scalp is discernibly different in its tone to elsewhere. I shared a te

The eccrine and apocrine systems are fascinating. Sweat and sebum from my hairline on my scalp is discernibly different in its tone to elsewhere. I shared a tee shirt from biba in London in the 70s with my sister and it had a characteristic smell which survived washing. Those stories about people tee shirt smell and identity tests make perfect sense (hah) to me. Old people smell is now in my immediate future since I'm.. old.