How to improve oily skin: a step-by-step plan

Week 1: baseline and simplify

Scan or photograph forehead, nose and chin, with cheeks often normal or dry. Strip the routine to foaming or gel cleanser in the morning and gentle cleanse at night, plus SPF. Swap to one gentle cleanse at night and a gel moisturizer in the morning.

Week 2: add one active

Introduce niacinamide. Start daily from day one if skin is calm, morning or evening; typical sensation: silky, almost invisible; sometimes a brief warm flush at high strengths.

Everything else stays the same so you can attribute changes.

Week 3: hold steady

Resist adding more. If skin is comfortable, you can raise frequency by one night. If it stings, drop back — under-hydrated skin often over-produces oil to compensate, so a light gel cream actually calms shine.

Keep avoiding alcohol-heavy toners and thick balms in the T-zone.

Week 4: review and decide

Compare week-one and week-four scans of forehead, nose and chin, with cheeks often normal or dry. A full verdict needs two to four weeks for shine to settle once you stop over-washing, so decide whether to continue, not whether to quit.

If progress is stuck, change one factor — for example zinc PCA in place of the current active — and restart the clock.

A zone-by-zone check

Skin rarely changes everywhere at once, so score each zone separately and note the date.

Ingredient cheat-sheet

Keep this beside the bathroom mirror. It summarises how to use each shortlisted ingredient without reopening the whole guide.

Frequently asked questions