caffeine

Caffine research is rather new, so you won't find many creams saturated with it on the market yet.

Quinine sulphate, piperazine, caffine, barbitone and pyridine derivatives have been used as corrosion inhibitors for aluminium and zinc in acidic medium.

The food is bland and there's no caffine. Even sugar is rationed."

It also allows control of the polyphenols that cause haze and the formation of precipitates, as well as the caffine content.