On 23/01/2018 10:48, wrote:
I have pillowcases with unknown stains on, they look like maybe oil,
with just slight darkening, but standard washing doesn't touch them.
There's no way to find out what's on them. Any ideas as to how to
proceed? It'll be at least a day before I can rewash them.

Any good?

https://www.goodhousekeeping.co.uk/i...e-semen-stains