Applicator (1) and capsule (17) for such applicator. A capsule (17) for distributing, on a surface of a living body, a product containing an active component or forming a cosmetic product, the capsule having a product distribution zone and comprising: - in a body, a supply of product which is in communication with the product distribution zone, and - first linking means (150, 511a, 511b) for removably securing the capsule to second linking means of a housing (15) in which is disposed a light source (9).
