Quick Fix for Roblox Hair Mesh/color/design blender .fbx

Fix specific color gradient (black/white) and spike geometry on an existing Roblox hair Mesh/color/design Budget: $5 - $10 USD Time: Quick task, need it done ASAP. ( just fixing the colors and adding more hair texture at back side ) Requirements: Must know Blender & Roblox UGC standards... (Budget: $10 - $15 USD, Jobs: 3D Animation, 3D Design, 3D Modelling, 3D Rigging, Animation, Blender, Game Development, Roblox)