👉 Retinic, in medicine and dentistry, refers to a type of keratosis, or skin growths that are typically caused by an overgrowth of keratinocytes. These cells produce a protective layer on the surface of the skin, known as the dermis, which is responsible for providing structural support and protection against external stimuli such as cold, heat, or ultraviolet light. In reticular keratosis (also known as dry eye), keratosis that occurs in the inner part
