The topsides surfaces require corrections. The elements are constantly attacking your gel coat producing oxidation every day without protection. The theory is your gel coat is like your skin, its porous. When it dries out it must be ex-foliated (compound) and toned (polish) to bring back the health before moisturizing (coating) can be applied.
* Hull polishing services include waterline to deck-line/rub-rail and include the transom.