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, growing out mechanical and chemical damage = breakage and very high porosity. Past armpit length heading for waist.
Treatments: Komaza protein, Komaza Matani, coconut oil with sugar syrup. Hairveda Sitrinillah
Leave in: Fructis Sleek & Shine (old), Gliss ultimate volume
Styler: Umberto Giannini jelly, Boots curl creme, Rockin RInglets
Experimenting with: Mega-Tek, Curl Harmony reviver, Elvive Full Restore 5.