Combination skin is the most common type and the most awkward to buy for, because a product suited to an oily T-zone is usually wrong for dry cheeks, and the reverse.
The usual mistake
Treating the whole face as oily, because the T-zone is the part you notice. The result is dried-out cheeks, a barrier under stress, and often more oil in the T-zone as it compensates.
The opposite error — rich cream everywhere for the sake of the cheeks — leaves the T-zone congested.
Multi-zone treatment, without doubling everything
You do not need two full routines. Only two steps genuinely differ.
Cleanser: one, and mild. A gentle gel or light foam works for both zones. Nothing stripping — the cheeks cannot take it, and stripping the T-zone backfires anyway.
Moisturiser: this is where you split. A light gel-cream on the T-zone, something richer on the cheeks. Or use the light one everywhere and add a second layer on the cheeks only — simpler, and it works.
Treatments: apply by area. Anything mattifying or clarifying on the T-zone only. Anything rich or nourishing on the cheeks only.
Sunscreen and cleanser: same everywhere. No need to complicate these.
A workable routine
Morning: gentle cleanse → light moisturiser everywhere → extra on the cheeks if they feel tight → sunscreen.
Evening: cleanse (twice if you wore makeup) → light moisturiser on the T-zone → richer cream on the cheeks.
That is one extra product and about ten extra seconds.
Seasonal shifts
Combination skin moves more than any other type. Most people become drier in winter and oilier in summer, so the same routine will feel wrong twice a year. Adjust the moisturiser weight rather than overhauling everything.
What to watch for
If the cheeks are dry and the T-zone is shiny and everything feels tight, you may be oily and dehydrated rather than combination — a different problem with a different answer. The tell is tightness across the whole face, including the shiny parts.
For skin-type diagnosis and cream options, see the skincare section.