Mixing bw peptides in same pin?

There are mixed opinions as to WHEN the mixing would render them useless. Also consider the chance of some of the first peptide being drawn into the bottle of the second pep when drawing... I don't do it for this reason. I got a travel toothbrush holder and put my applicators in that until I'm ready to use them. Keeps them together and protects them from getting bumped
 
I wouldn't, I'd just take the extra pin to make sure I'm getting the most out of them all
 
Not to mention ur pin would be dull after more than one stopper! An id be afraid that it would in someway would alter or cancel out ur different Peptides
 
Not to mention ur pin would be dull after more than one stopper! An id be afraid that it would in someway would alter or cancel out ur different Peptides

Not worried about the sharpness.. My skins like an armadillo from melanotan and uv rays ..
 
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