Natural ingredients creams & moisturizers to manage Psoriasis

[Fred]

Isn’t aspirin originally made from extracts from the bark of a tree? And I think they use a compound from it in psoriasis - salicylic acid, so maybe it’s a similar thing?

A quick search suggests I’m barking up the wrong tree 

No you could be right according to someone from our Special Branch

Quote:

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A precursor to aspirin found in the bark of the willow tree (genus Salix), salicin, is metabolized in the human gut into the medicinally active compound salicylic acid and has been used for its health effects for at least 2,400 years.

Bayer, established the chemical structure and devised more efficient production methods.