One Condition is designed to moisturise curly hair not wash it, it's quite low on the cationic surfactants that cleanse hair and scalp effectively and rich in emollients and humectants. Maybe show hubby an article on the different types of surfactants, cationics are just a different sub-family from anionics like sulphates in shampoo.
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