On several websites I've read that one can only get rid of silicone build-up by using sulphates, when on other websites they say that coco betaine or cocamidepropyl betain (low-poo) can do the job as well. What is true?
Does it depend on the kind of -cone perhaps?

2B-3A fine-medium/low porosity
krullenwijzer.blogspot.nl
2B/C-3A) fine - low porosity
Routine:
Wash: Daily Fix,SMT, Kesham, Urtekram
RO: Motions CPR Li, Inecto Cocos co, AO GPB, KCTT
acv-rinse, sometimes honey-rinse
LI: coconut oil (winter), CJBC-LI
Styling: AVG, Etos Solid Power Gel, Taft gel, CJPP
, JCCC, BRHG
Plopping~Pixiecurl diffuse~clipping
KrullenWijzer.blogspot.nl