Skin Retouching is a basic of photo editing. if anybody has pimples or scars on the face then we can remove these pimples & scars in photo editing & make a clean face or skin is called skin retouching. if the photo editor has a grip on skin retouching then he is called a high-end photo editor. there are many ways of skin retouching in photoshop. most photographers retouch photos in adobe photoshop. many photographers do auto retouching but many do manually. The photography industry prefers manual retouching.