u/bastian_aalto

The title is the whole question — hair shedding — is it the drug or the deficit — but here is why I am asking. Anything involving pregnancy, contraception efficacy or…

Slightly embarrassed to be asking this, but: certificate of analysis — what am I missing here. Spent four months confusing area% and mass% in every post I made here.…

Posting this as a discussion rather than a claim: unpopular opinion: most of what gets said here about purity is guesswork. LC-MS gives you identity; UV purity gives…