Welcome! Do work out your hair properties (see the Live Curly Live Free site) and consider your dew points/ humidity (Curls on the Go smartphone app or Frizz Forecast on the main NC site).

Split ends do need trimming off, that hair cannot be salvaged and damaged hair will catch on healthy hair higher up damaging that too. Beneficial ingredients for damaged hair include coconut oil, ceramides and panthenol; coarse hair tends not to do well with much protein.
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