Old topic, but maybe important to someone. If you want to replace or edit any complexion you need these. game/characters/human/hmf/0_heads/hmf_head_mariah/textures/hmf_head_mariah_diff game/characters/human/hmf/0_heads/hmf_head_mariah/textures/hmf_head_mariah_normal game/characters/human/hmf/0_heads/hmf_head_mariah/textures/hmf_head_mariah_SSS and you need to work with these too (or just these for the player complexion) game/characters/human/hmf/0_heads/hmf_head_mariah/PCA/textures/diffuse_map game/characters/human/hmf/0_heads/hmf_head_mariah/PCA/textures/normal_map Some complexion haven't all these files (like Annie Preset10 or Emily Preset03) but always need to work with the diffuse, SSS and normals.