i want to make a vit C serum with ascorbic acid but my problem is that i dont know how to bottle or package my product to preserve the activity ascorbic acid. this form of vitamin C doesnt like oxygen. so if i pakage my serum in a jar or bottle, within 5 days it would be useless. i was thinking about using a vaccum food sealer and bags and make individual packages. but problem is thats a lot of work and i dont have a vaccum sealer. anyone have any good alternatives or insite.