Sunday: the only day with a routine.

Forty-five minutes, once a week.

Step one · 2 minutes on, 20 minutes waiting — Mask the hair first.

Damp hair, not wet. Wring it out with your hands until it stops dripping, and if you have a towel to hand, use it and be rough about it. A conditioner cannot get into a hair shaft that is already full of water, and that single fact is why most masks appear to do nothing. Mid-lengths and ends only. The scalp does not want this and will spend three days telling you so. Then twist it up, clip it, and forget about it while the rest of the evening happens. That is the trick — the mask is not step three, it is step one, running quietly in the background.

Twenty minutes is a ceiling, not a floor. An hour does not make it work harder; the cuticle is as open as it is going to get by about minute fifteen.

Step two · 3 minutes — The second cleanse, with acid this time.

Oil or balm first, to take the week off. I have written the long version of that at on the second cleanse and I will not repeat myself here. Sunday's difference is what comes second: a salicylic cleanser instead of the usual gel, and then the part everybody skips. Leave it on. Salicylic acid is oil-soluble, which is the whole reason it is useful — it gets down into the lining of the pore rather than sitting politely on top of it. It cannot do that in the eleven seconds it takes you to rinse. Sixty seconds on the face, hands still, counting. Then tepid water.

Once a week and no more. Salicylic every night is how people end up with skin that is simultaneously stripped and congested, which sounds impossible and is extremely common.

Step three · 4 minutes — Gua sha, on oil, never dry.

The stone needs slip or it drags, and dragging is worse than doing nothing. That is not an aesthetic opinion, it is friction against skin you have just softened with acid. Three or four drops of oil first, then the stone held flat, almost no pressure, angled at something close to fifteen degrees. Jaw to ear, three passes. Cheek to temple, three. Brow to hairline, three. Always toward the ear, because that is where the lymph nodes sit and the mechanism here is drainage, not sculpture. Four minutes. Both sides. It is the most pleasant thing on this list and the least important, and I want that on the record.

Cold stone, warm face. Keep it in the fridge door. The temperature does more for morning puffiness than the pressure ever will.

Step four · 1 minute — Oil, pressed, on a face still damp.

Whatever is left over from the gua sha is not enough. Two more drops onto a face that is still slightly damp from the rinse — and it must still be damp, because oil does not hydrate anything. There is no water in it. It seals whatever water is already sitting on the skin, which is why a dry face plus oil is simply a shinier dry face. Press it in with flat palms rather than rubbing it around. Rubbing warms the oil and most of it disappears into your hands, and your hands are not the point of this exercise.

If your skin still feels tight twenty minutes later, the problem is upstream. Not enough water on the face before the oil went on — go back a step, don't add product.

Step five · 5 minutes, plus the night — Rinse the hair. Change the pillowcase.

Rinse the mask out with cool water. Not for shine mythology — cool water is simply less efficient at lifting the conditioner straight back out, which is what you have spent twenty minutes putting in. Then the part that finishes the reset: a clean silk pillowcase on the bed. Cotton is absorbent by design, and it takes back a real, measurable share of everything you have just put on your face and into your hair, then folds the skin against itself for seven hours on top of that. The long version, with the part where I was wrong about it for a year, is at why your pillowcase is ruining your hair.

Wash silk in a mesh bag on cold. It is not delicate in the way people assume, but it is delicate in the way a zip understands.

The shelf — what this actually needs

• A deep conditioner, for mid-lengths and ends
• A salicylic cleanser, used once a week
• A gua sha stone, kept in the fridge door
• A facial oil with no fragrance in it
• A silk pillowcase, clean

What’s in it

• Salicylic acid 2% — Oil-soluble, so it gets inside the pore instead of sitting on it. Needs a full minute of contact to manage that.
• Squalane — The oil that behaves. Seals water in without the weight that makes people abandon facial oils by week two.
• Behentrimonium methosulfate — The conditioning agent doing most of the real work in a deep mask. It is not a sulfate, despite the name.

How to know it's working.

Give it four Sundays. The change does not arrive on a Monday morning, which is the day everyone checks, because Monday is one night away and nothing that matters happens in one night. It shows up on a Wednesday, in the fact that Wednesday needed less of you.

• By the fourth Sunday, your Tuesday face wants one product where it used to want three.
• Hair that felt dry at the ends by Thursday now gets to Saturday, or does not announce itself at all.
• You stop noticing your skin — which is the actual goal, and a strange thing to write down as a win.
• If Sunday leaves your face tight or pink into Tuesday, the salicylic is doing too much. Halve the contact time to thirty seconds before you abandon the step entirely.
• If your roots are flat and greasy by Monday lunch, the mask went too high. Start it below the ears and nowhere above.

If something isn't working.

Can I do this on a weeknight instead?

Yes, and Sunday is not sacred. What is not negotiable is the twenty minutes of waiting, which is why most people who move it to a Wednesday have quietly stopped doing it by the third week. Pick the evening you are least likely to be somewhere else.

My gua sha stone leaves red marks.

Too much pressure, not enough oil, or both. The stone should move with the weight of the stone and nothing added. If you can still see the line of it afterwards, you have been sculpting — and there is nothing there to sculpt.

Does gua sha actually lift anything?

No. It moves fluid, and fluid is most of what you are looking at when your face reads as puffy at eight in the morning. The result is real and it is temporary: Sunday night through roughly Tuesday. Anyone promising you more than that is selling the stone.

Salicylic cleanser and a facial oil in the same evening — is that a conflict?

Not in this order. The acid does its work and then gets rinsed away; the oil goes onto clean, damp skin afterwards with nothing left to argue with. What you should not do is add a retinoid to the same evening. Sunday is the acid night. The retinoid gets its own, which is the point of a skin cycle that actually fits a week.

I don't have forty-five minutes.

Then do one, two and five. The mask, the cleanse, the pillowcase. Gua sha is the nicest thing on the list and the least load-bearing, which is usually how these things go.