I've been taking mirtazapine for more than 6 months now. I'm curious if ingredients like activated charcoal or grapefruit interfere with the meds if you use them in shampoos/skincare/makeup?

I asked my psychiatrist about this and she said that these ingredients hardly find their way to the bloodstream so I shouldn't be so worried. 

I'm currently using the Love &amp; Beauty Charcoal and Bergamot cleansing shampoo and I just wanted to know if I'm good to continue using it. I did remember trying to drink a matcha charcoal boba drink about three months ago and it gave me such an awful stomach ache. 

I'm going to email my counselor behavior after this. But I just wanted to check in on Reddit real quick.