Why serum foundation suits skin over 50

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

The most useful serum foundation available, and the reason is that it reaches light-to-medium coverage rather than stopping at sheer. That makes it a genuine foundation substitute rather than an extra step, and it still spreads thin enough to behave on textured skin. SPF 50 in a foundation is also unusual and worth having on skin that has thinned. The pump dispenses a measured amount with one flat press.

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

The most fluid formula here, and the closest thing to wearing nothing while still evening out tone. It is thin enough to spread properly with your fingertips, which means no brush, no sponge and nothing extra to wash — and on a face where you want the least possible product, that is the whole specification.

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

The most skincare-weighted of the group: a tinted serum whose finish is a soft blur achieved through moisture rather than powder or silicone film. On dry mature skin that reads as plumpness, which is usually the look people are actually after when they say they want to look less tired.

A buildable skin tint the brand states was formulated for and tested on mature skin, with sheer-to-light coverage.

The brand states this was formulated for and tested on mature skin, which is rare enough to be worth noting. In use it builds further than most serums — sheer in one layer, light coverage in two — without the layers mixing into a mess, which is the usual failure when you try to build a fluid formula.

A fluid serum concealer with light-to-medium coverage and a dewy finish.

Included because a serum foundation is half a system. A fluid serum concealer has the same advantages in the same places — thin, slippery, flexible — and the same texture means the two layers behave as one instead of showing a visible join where you concealed. The oversized applicator also means fewer strokes.

A clear gel primer with a tacky grip finish, designed to hold foundation in place.

The one genuine complaint about serum foundations is that a fluid formula can migrate on oily or very smooth skin. A clear tacky grip primer in the center of the face solves that directly — it gives the thin layer something to adhere to, without adding a mattifying film anywhere near your creases.