Buy this 3D Hair Asset:
Artstation (Get 30% off using the coupon code YOUTUBE30)
CGTrader
Cubebrush
FBX, OBJ (29k triangles and 15k trianges)
4k textures TGA: Mask/ Alpha / Depth / Flow / Gradient Ramp or Root / Id / Color (Cool brown, Purple and Blond ) / Normal / AO
Maya source file (easy to edit haircards)
The hair textures were created with HairTG - Hair & Fur for Substance Designer tool: