I used to extract it myself with mimosa hostilis bark and chemically clean petrol and a cuppa household items, these days I only do shrooms and LSD.
I had a bad trip where I pulled out my own eyelashes one by one and punched myself in the face, grit my teeth so hard I was 99% sure there was permanent damage and got some nihilistic everything bad yumanity bad in infinity nothing matters themes and saw humanities cycles repeating and an arboretum with a pedestal that had a symbol of humanity rotating that I found to be the funniest joke in the world.
The reason I ripped out my eyelashes was because I thought I was sacrificing them for higher knowledge to some sort of eye cult, something about that trip triggered a psychotic state that lasted for 2-3 days and it that took a while to get over I spend a day in bed just cradling my dry eye (I could feel the fluid refill the eye like a balloon) and going back and forth to the bathroom to brush my teeth since I was sure they were broken or shaved down.
After that it's only shrooms and lsd 100ug / 4g or below but hey at least I am not an alco and sloppaholic like I used to be I guess.