Pores do not open and close. They have no muscle, no mechanism, nothing that responds to cold water or a hot towel. What changes is how visible they are, and that is worth knowing before spending money on anything that promises to shrink them.
Visible pores are one of the most common things people raise at a skin consultation, usually after a drawer full of products has failed to do anything. The good news is that their appearance genuinely can be improved. The honest part is that the pore itself is staying.
What is a pore, and why does it look large?
A pore is the opening of a hair follicle, and each one has a sebaceous gland attached that produces oil. You have roughly the same number you were born with. Three things make an individual pore more noticeable.
The first is oil. Glands that produce more sebum sit in follicles with wider openings, which is why visible pores cluster across the nose, the inner cheeks and the centre of the forehead rather than spreading evenly across the face.
The second is what fills them. A pore packed with oxidised oil and dead skin reads as a dark dot, and repeated filling and emptying stretches the opening over time.
The third is structural, and it is the one people overlook. The collagen surrounding each pore holds its edge taut. As that support declines with age and sun exposure, the opening slackens and elongates, and pores on the cheeks start to look like small teardrops rather than circles. That is the change most people notice in their forties, and it is a skin support problem rather than an oil problem.
Who tends to get them
- People with naturally oilier skin, which is largely genetic and not something cleansing harder will fix
- Anyone with a history of congestion or acne, since repeatedly blocked follicles stretch
- People with significant cumulative sun exposure, through collagen loss around the follicle
- Anyone whose skin is dehydrated, which makes surrounding skin look flat and pores look deeper by contrast
Can pore size be permanently reduced?
No. Nothing available in a clinic or a bottle changes the anatomical size of a follicle opening for good. Any product claiming otherwise is describing a temporary effect, usually from mild swelling of the surrounding skin or from a silicone that fills the dip optically.
What can be changed is everything around the pore: how much oil is sitting in it, how much dead skin is trapped, and how well the collagen holding its edge is doing its job. Improve all three and pores become far less noticeable, which is what people actually want when they ask about shrinking them.
What does not work
Pore strips remove the top of a blackhead and leave the rest, and the tugging does the follicle no favours. Steaming feels productive and softens debris briefly, but nothing about it is lasting. Cold water and ice do not close anything, though the temporary tightening is convincing enough that the myth has survived decades.
Scrubbing harder is the one worth actively avoiding. Stripping the skin prompts more oil production, not less, and abrasive scrubs damage the surface without reaching what is inside the follicle.
What does help
At home
Salicylic acid is oil-soluble, which means it can get inside the follicle rather than working only on the surface, and it is the single most useful ingredient for congestion. Retinoids work on a longer timescale by increasing cell turnover and supporting collagen production around the pore. Both need consistency measured in months rather than weeks.
Daily sunscreen belongs on this list too, unglamorous as it is. Protecting the collagen you still have is cheaper than replacing it later.
In clinic
Fractional laser resurfacing treats the skin in a grid of microscopic columns, prompting collagen production in the surrounding tissue as it heals. That firms the support around each opening, which is why resurfacing tends to do more for the slackened pores of later life than for the oily congestion of the twenties.
LaseMD is a lighter resurfacing option with less downtime, used where the aim is overall skin quality and refinement rather than a single intensive treatment.
Morpheus8 combines microneedling with radiofrequency, working beneath the surface to stimulate collagen at depth. It suits cases where pore appearance sits alongside general laxity rather than alongside oiliness.
Deep-cleansing facial treatments address the other half of the problem by clearing the congestion sitting inside the follicles. They are often used alongside the resurfacing treatments above rather than instead of them, because emptying a pore and firming its edges are two different jobs.
Which of these suits which problem?
The distinction that matters is whether your pores are full or slack.
Full pores, common in the twenties and thirties, are an oil and congestion problem. The answer is usually a combination of the right topical ingredients and regular professional cleansing, with treatment of any underlying acne first. Resurfacing an oily, congested face without addressing the oil means treating the same thing again in six months.
Slack pores, more common from the forties onward and often on the cheeks rather than the nose, are a collagen problem. Cleansing will not touch them. This is where the energy-based treatments earn their place.
Plenty of people have both at once, which is why the plan usually sequences the two rather than choosing between them.
How long before anything changes?
Congestion improves relatively quickly, within a few weeks of consistent treatment. Collagen does not. Anything working through skin remodelling is a three-month conversation at minimum, and photographs taken at the start are far more reliable than a daily inspection at close range in a magnifying mirror.
Maintenance is part of it. Oil production does not stop because a course finished, so most plans include something ongoing rather than treating and walking away.
A realistic expectation
Refined rather than gone. On close inspection in bright light, pores remain visible on almost everyone, and skin without any visible pores at all generally means a photograph that has been retouched. What good treatment achieves is skin that looks smoother and more even at conversational distance, and makeup that sits better rather than sinking in.
Results vary between individuals, and how much improvement is realistic depends on where you are starting from.
Getting an assessment
Since the same visible pore can come from oil, from congestion, from collagen loss or from all three, an assessment decides more than the choice of device does. Two people with similar-looking skin can need entirely different plans.
Pulse Light Clinic is CQC-registered and doctor-and-nurse-led, and has been treating skin in London since 2001. You can read more about our approach to enlarged pores.
Book a consultation to have your skin assessed and a plan explained before starting any course of treatment.







