The MSM (methyl sufonyl methane) is good for people recovering from burn wounds too. He considers S deficiency is more widely experineced than realised..i found the information in a book written by Patrick Holford and someone left behind. It's purely nutritional advice yet called the New optimum nutrition Bible,and i've just picked up!
It's a real eye opener..am trying to taylor make a diet to address other symptoms alongside the lip thing....buying essentials for the moment though to buoy me up whilst i gain more understanding about nutrition..
Good luck with the collagen powder..hope the vision becomes clearer..the japanese peoples skin is just beautiful...all those hot natural springs to open pores and detoxyfy and relax in too..