sounds like this chemist is maybe using a very old receipe!
a common home made general cream, often used for skin irruptions inc mud fever & sweet itch.................
it was a base cream (unsalted lard or other animal fat sometimes) or something like zinc & castor oil cream for babby's bums! with sulphur added. depending on how much sulphur it could be a creamy white or up to sunflower yellow, i suppose you made it in different strenghs? (you can still buy a powder called 'flowers of sulphur to make your own).
does that sound like your wonder cream? it was said to be very good, & was only superceded by the anti-biotic version with sulphonamide based drugs (still sulphur in a posher form!!) or maybe its this 'modern-new improved one?'
a really old time & very yukky receipe i found out about a long long time ago was for sweet itch....
TRAIN OIL & SULPHUR
fancy getting that out in the wash!! the reason for train oil apparently was to seal off the sore skin from moisture and biddies.....not one i think i would like to try.
if your chemists cream works
mud fever is a bloody nightmare, good luck
bye
[You must be registered and logged in to see this image.]