Do your dew points and hair properties permit potent humectants? Propylene glycol is a major ingredient. You can use as few or as many cones as you like, different people have different levels of build up - what shampoo works depends on the amount of betaine and your wash technique. Some find polyquat-4 builds up and need sulphates, others do not. A clarify should hit all the hair, a regular wash is usually scalp only.
2a-2c, medium texture, porous/ colour treated. Three years CG. Past bra strap length heading for waist.

CO-wash: Inecto coconut/ Elvive Volume Collagen
Treatments: Komaza Care Matani, coconut/ sweet almond/ fractionated coconut oils, Hairveda Sitrinillah
Leave in: Fructis Sleek & Shine (old), Gliss Ultimate Volume, various Elvive
Styler: Umberto Giannini jelly, Au Naturale styling gelee
Flour sack towel, pixie diffuse or air dry.
Experimenting with: benign neglect