Most skincare routines fail for the same reason: they are too long. A routine you follow badly is worth less than a short one you follow every day. Here is the smallest routine that genuinely works, and how to build on it only if you want to.
The three steps that matter
Cleanse. Once at night is enough for most people; a splash of water in the morning is fine. Use something that leaves your skin comfortable rather than tight — that squeaky feeling is a sign you have stripped it.
Moisturise. Apply while your skin is still slightly damp, which helps hold water in. Oily skin still needs this; skipping it often makes oiliness worse, not better.
Protect. Sunscreen in the morning, every day you will see daylight. If you only ever adopt one new habit, make it this one — it does more for how your skin looks in ten years than everything else combined.
Give it time before you judge it
Skin turns over roughly every four weeks. Nothing you apply tonight is fairly judged tomorrow morning. Give a new product a month before deciding, and change one thing at a time — if you swap three products at once and react, you will never know which one did it.
Patch test, properly
Put a small amount on the inside of your forearm for three days running before it goes anywhere near your face. It is dull, and it will eventually save you a very uncomfortable week.
What you can safely ignore
You do not need a separate product for every part of your face. You do not need ten steps. And you do not need to keep changing things — consistency beats novelty almost every time. If your skin is calm and comfortable, your routine is working, however short it is.
When to add something
Once the three basics are automatic, add a single targeted product for the one thing that actually bothers you. Introduce it two or three nights a week before going daily. If your skin is sore, flaking or stinging, you are using too much, too often — that is not the product “working”.
Storage matters more than people think
Keep bottles out of direct sunlight and away from the steam of a hot shower. Close lids properly. Active ingredients degrade with heat and light, and a product stored badly is simply a weaker product.

