It is officially classified as "EASILY REMOVED BY IONIC SURFACTANT," except later in the thread someone points out that they don't really explain what an ionic surfactant is.
I recently had to get some dimethiconol out of my hair, after experimenting with a conditioner. Until my hair started freaking out and my hairline started breaking out, I didn't think any silicones were in it–but dimethiconol is deceptively-named!
Anyway, I ended up doing a baking soda/water rinse, and scrubbing really well with a silicone-free conditioner (Trader Joe's Nourish Spa). It has only been a couple of days but it looks like the damage has been undone, and I didn't have to use shampoo to do it.
I picked up a tube of the Suave HEalthy Curls Anti-Frizz Cream and it has dimethiconal in it.
I use a non-sulfate 'poo and ACV rinses pretty regularly (weekly or so... whenever I feel like I need it) so hopefully that'll nix any buildup.
Amodimethicone seems to break me out and the -xanes send my skin to the seventh circle of hell but I don't seem to have much trouble with dimethicone other than it weighing my hair down fairly quickly. My skin seems to tolerate it ok. So if it's like dimethicone I should be ok, hopefully.
I'm getting a little desperate. This weather change is making my hair insane!! It's been going so well too.
I think I need to find a nice cream styler again. Years ago when I straightened most of the time I loved Paul Mitchell's The Creme but I know that one has cones, just can't remember which one(s).