Old man's head with right topology.
HEAD_BLEND: The hair is a particle system with Hair BSDF material. The skin has base color, bump map, and roughness map, also subsurface scattering.HEAD_MESH HAIR_BLEND, OBJ and FBX: The hair is a high poly mesh. You may need to adjust roughness and/or bump map, subsurface scattering, and glass material for the eyes.
Remember to unzip all the textures into the same folder of the model files.Use this model to learn how to rig face expressions, or design a body for him.
Any sugestions, questions or comments, please write a message.