Foundation that stays out of your creases

A fluid serum-foundation with light-to-medium buildable coverage, a luminous finish and SPF 50.

The serum texture is the whole reason this sits first. It is fluid enough to spread into a genuinely thin layer, which is the single biggest factor in whether a foundation settles, and it has the slip to cross a nasolabial fold instead of running down into it. It does not set hard, so when you smile it moves with you. The pump matters here too: a measured press stops you putting down more than your skin can carry, which is the mistake that causes most settling.

A balm-textured stick that buffs out to light-to-medium coverage with a satin finish, built around not dragging on skin.

A balm stick does not behave like a liquid, and that is the point: there is nothing thin enough to run anywhere. You push a small amount onto the area that needs it and buff it out, so product never pools near a line in the first place. This one is formulated specifically around gliding rather than dragging, which on crepey skin is the difference between coverage and a visible edge.

A very fluid serum tint with sheer-to-light coverage and a skin-like finish.

The least product on the page, and in this category less product is the most reliable intervention there is. It is fluid enough to spread with your fingertips to almost nothing, which means there is barely any material available to collect in a line. On a face where fine lines are the main concern and tone is fairly even, this is the honest answer.

A tinted serum with sheer coverage and a blurring, hydrating finish.

A tinted serum sits at the hydrating end of the range, and hydration helps here indirectly: a well-hydrated crease is shallower and the skin either side is plumper, so there is less of a channel for anything to fall into. This stays flexible rather than setting, and the blurring finish softens the look of texture without relying on a hard film to do it.

A buildable medium-coverage liquid with a radiant, silk-like finish and a broad shade range.

The one on this page that gives you real coverage without the rigidity that usually comes with it. It builds in thin layers that stay flexible, and the slip is good enough that it blends out evenly over dry patches instead of catching on them. If you want medium coverage and you have creases, this is the compromise that works.

A baked powder foundation that goes on creamy and sets demi-matte, with buildable light-to-medium coverage.

Counterintuitive but real: a baked powder has no liquid phase, so it cannot run into a channel at all. It goes on creamy, sets demi-matte, and sits on the surface rather than finding the low points. On skin where every liquid eventually settles, switching format entirely is often more effective than switching product.

A lightweight liquid with medium coverage, a natural finish and a wide shade range.

A natural-finish medium-coverage liquid with enough slip to behave, and no longwear hardening. It is the unexciting daily option: it will not hold up to a sixteen-hour day the way a matte longwear will, which is precisely why it does not crack along a fold at hour six.