Has anyone experienced this? You draw from two diff vials each containing a diff compound and maybe even from diff vendors and the pin hurts like hell, but when you pin the exact same vials separate there is no pip.
One product in particular I just had trouble with is a blend and has EO in it. It even hurts if I add b12 to it. But by itself its fine.
One product in particular I just had trouble with is a blend and has EO in it. It even hurts if I add b12 to it. But by itself its fine.