We have a few European ladies (eg. Lauraimes, Neleke) that might be able to help with products or check out their signatures, plus try Amazon. If your hair likes protein Schwarzkopf Gliss (Kur) Ultimate Volume conditioner is good, don't expect a 'slippy' detangler tho, I have used it as my leave in.

Choose your products and ingredients based on your hair properties.
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