Have you considered going to your family doctor yet? It really does not need to be a dermatologist. Most of the advice given on this thread could worsen one or more of the common scalp disorders. Pruritis is one possible symptom, many people with flaking do not have itching, it's not weird.
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.
CO-wash: Inecto coconut
Treatments: Komaza Matani, coconut oil, Hairveda Sitrinillah
Leave in: Fructis Sleek & Shine (old), Gliss ultimate volume, Inecto argan
Styler: Umberto Giannini jelly, Boots Essentials gel
Experimenting with: going back to basics