IMO there are way too many haircare products on the market to get meaningful results from a poll with numerous answers. Products are partly popular based on which country they are available in.

Reading the NC reviews (noting how many have been posted) gives you some idea of how many people are using each product. There are 7800 products in the database!
Product Search Results
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