Behentrimonium methosulfate is not a sulfate, it's a mild emulsifier/detangler. Also, some ingredients that end in one aren't silicones, for example, methylisothiazolinone, which is a preservative. So yes there are exceptions to the rule
3a/3b/3c, thin/fine, low porosity

Shampoos: Oyin Honey Wash, Bobeam Rootz Shampoo Bar
Conditioner: SheaMoisture Restorative Conditioner
Deep Treatment: SheaMoisture Deep Treatment Masque
Leave-In: Kinky-Curly Knot Today
Styler: Kinky-Curly Curling Custard
Refresher: Kinky-Curly Spiral Spritz