Use Retin-A exactly as your doctor has prescribed it for you. Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended. Do not take by mouth. Retin-A is for use only on the skin.
Definition of wall for English Language Learners : a structure of brick, stone, etc., that surrounds an area or separates one area from another : the structure that forms the side of a room or building
Hedges against a white fence. The definition of a hedge is a boundary or fence formed by closely planted bushes or trees. An example of hedge is a line of bushes planted close together creating a border. Hedge is defined as something you do to minimize loss.