 In 1994, C. Dry was the first who proposed the intentional introduction of self-healing properties in concrete. The goal of this review is to provide an in-death comparison of the different self-healing approaches which are available today. Some are aimed at improving the natural mechanism of autogenous crack healing, others are aimed to modifying concrete by embedding capsules with suitable healing agents. This article was authored by Nelle de Belay and Kim Van Tittleboom.