In the case of a portrait, the retoucher might mask blemishes, smooth skin and whiten teeth. They may thin the face or enhance the eyes. They may also perform actions like changing hair color or enhance the body of the model. For product photography, a retoucher might repair a damaged box. They may remove fingerprints or smooth the surface of the product. Highlights could be added to a product to create depth.
The types of edits made to an image depend on the desires of the client. Typically, an experienced retoucher will adjust an image that is in keeping with the wishes of the client. Images need to fit the company’s branding.