Surfactants is the word you're probably looking for. Really anything that creates emulsions (a type of solution of 2 things into each other) of watery and oily chemicals is a surfactant (this is done through change of surface tension but I don't think that is interesting right now). In this case: NBOMe compounds are the rather oily ones and they don't particularly handle themselves well cruising into and through our bodies - penetrating our mucous layers inefficiently when we take it by mouth or nose... but also sometimes dissolving too well in fatty parts in our own body which prevents them from reaching the brain.
OK info you did not ask for aside:
HPBCD (hydroxypropyl-beta-cyclodextrin) appears to be by far the most used surfactant because it has a special ability (though it has not even proven to be theoretically that applicable to NBOMe's, apparently the reality of bio-assays have shown that it increases effectivity). The special ability is this:
First consider soap: it works like this - one side of the molecule associates with or dissolves in the fatty stuff, the other side dissolves in the water part. So it's like a one-arm chaperone. Though there can be more than one chaperone host to a 'guest compound'.
Then consider milk: there are micelles in it that work like this - a ball is formed, pointing out are parts that dissolve in water, pointing inward are parts that like fatty stuff. So it's like a protective ball.
Now consider HPBCD: it's like a box or a trap that catches fatty stuff like an NBOMe - pointing out are (again) the water dissolving parts as always. So it's like a super effective personal shield.
Soap or shampoo taste like shit, and remember you have to keep it in your mouth for 15-20 minutes or something. Milk, although I never heard someone try it, tastes better... but you probably have to "shake" the NBOMe into the protective balls (micelles). However, the concentration of these micelles is limited whereas soap is a concentrated surfactant. HPBCD apparently doesn't really taste like anything especially since you need so very little of it. Again a warning though: it may hardly work if you do not "shake" the NBOMe into the box/trap structures.
What do I mean by shaking? Well these micelle balls and HPBCD traps are normally shut tight. You have to vibrate the molecules to disturb this and allow the NBOMe to be chaperoned and 'protected' for absorption. This vibration is applied by "ultrasonic" waves (this means the wave shake faster than the waves of sound move). Normally there is a device in labs for this but people have reported to use ultrasonic toothbrushes to shake up their NBOMe/surfactant mix, or (oh my) who knows perhaps there exist vibrators that can do the job.
You have to realize that typically tens of minutes are needed to complete a preparation like this. For NBOMe and HPBCD, I don't know what a reasonable amount of time is to apply the shaking. In any case, when done the result is called a "complex" i.e. the target drug (in this case the NBOMe) is associated with or complexed with the surfactant.
The suggestions previously given by these helpful users do not have this downside I described of needing 'complexing'. Compared to soap they of course have the advantage of not containing the other nasty shit and perfumes and what not.
I also don't know for sure if HPBCD is the superior choice and worth the trouble, but from what I understand once the complex is formed it helps carry the drug to it's destination without just 'letting it go' once it is inside the body. I would like confirmation or rejection of this idea, do you guys know how easy a HPBCD complex would dissociate compared to a simple surfactant?
@TS, Any more questions?
