I spent the last 2 or 3 hours looking through abstracts and medical
articles on SD and related conditions.
If you’ve read anything about SD, you’ve seen the mention of the yeast
in your skin that causes it; it is now usually called "Malassezia
furfur" (or M. furfur). Everyone carries M. furfur, it’s not something
you "catch". Most of the treatments for SD use antifungal shampoos,
creams, or pills to reduce the presence of M. furfur in your skin,
often they try to break cell reproduction.
Here are some interesting bits I read:
>>> "Seborrheic dermatitis is associated with normal levels of
Malassezia but an abnormal immune response. (…) The contribution of
Malassezia may come from its lipase activity—releasing inflammatory
(more…)