sebum

The greasier areas of your skin will produce sebum regardless temperature, and sebum breeds bacteria.

My theory is that the smell develops from sweat reacting with (or releasing something from) perhaps the sebum.

Sweat and sebum from my hairline on my scalp is discernibly different in its tone to elsewhere.

It dramatically reduces the amount of lipids in sebum, which is what odor-producing bacteria in the armpits feed on.

For example, Parkinson's disease can be detected by smell of certain molecules that start to seep into the sebum.

Probably the microbiome interacts with sebum in some way but they do seem like quite distinct issues.

Men experiencing hairloss can take finasteride to reduce their DHT levels and simultaneously reduce/stop hairloss and excessive sebum production.

What if the stress points simply cause lack of blood flow, leading to sebum buildup?

Many people have successfully stopped using shampoo to slow down sebum production in the scalp.

If you don't use product in your hair you only have the daily sweat, dirt, and sebum to get rid of.

I take two showers a day to try to ward off the sebum oil from clogging my pores.

The Carbon 14 dating process is not sensitive to pollution from, say, the sweat or sebum on the hands of people handling it.

Dermatologists can't explain it, they just give me the same canned answer "You produce too much sebum".

I would point out that soap, by its very nature, removes oil from skin (including sebum) "drying" it out.

Because both apocrine glands and sebaceous glands open into the hair follicle, apocrine sweat is mixed with sebum." The article mentions acid lactic as a signaling metric.

This is holding "hair oil"/sebum production fixed.

Sebum is produced in the scalp, which is why bald people still have shiny heads.