Almost every mature-skin guide tells you to avoid full coverage, and almost every woman searching for it has a specific reason she wants it — age spots across the cheekbones, broken capillaries on the nose, post-inflammatory marks, melasma. Telling her to wear a skin tint does not answer the question.
The real problem is thickness, not pigment. Coverage is a function of how much pigment is in the film. Mask effect is a function of how thick that film is and how rigid it is once it dries. Those are separate variables, and the formulas that fail over 50 are the ones that get their coverage from volume of product rather than from concentration of pigment — you end up with a thick, rigid layer that cannot bend when your face does, so it cracks along the lines it was supposed to hide.
Which is why the application rule is most of the page. A concentrated full-coverage cream applied in a thin pass covers better than a medium formula applied in three coats, because the three coats add up to a film three times as thick. Our page on why foundation settles into wrinkles walks through the mechanism; the short version is that product has to be pressed into the surface rather than spread across it.
Full coverage does not have to mean full face. The most useful thing most people reading this can do is stop treating coverage as one setting for the whole face. Medium everywhere plus a second pass on the three places that actually need it gives a result that looks like full coverage in the mirror and nothing like it up close. That is also how professionals do it, and it is the argument behind the placement-based pick further down.
Finish matters more here than anywhere else. A full-coverage matte sets rigid, and rigid is what cracks. Every pick on this list has a luminous, natural or satin finish for that reason, and none of them is a flat matte. If you want shine control, that is a job for a trace of powder on the T-zone, not for the base — see best setting powder for mature skin.
What we left out. Long-wear transfer-proof mattes, which are the category that generates the complaint that foundation added ten years; anything that depends on a setting spray to stay flexible, because there is no setting spray in this registry and we will not name a product we have not researched; and powder-over-full-coverage stacks, which are two films where one would do.