A pore is the surface opening of a pilosebaceous follicle: the channel through which hair and sebum emerge. It is not a hole that opens and closes, because there is no muscle around it that could do so. Its size depends on three things: how much sebum passes through it, how elastic the surrounding skin is, and how much that skin has been exposed to the sun over the years.
The realistic goal is not to close pores, but to make them less visible. Anyone who promises to eliminate them is selling something that does not exist.
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Why some pores are visible and others are not
The first variable is genetics: the density and size of follicles are hereditary, and there is nothing you can do about that. The second is sebum. A follicle that produces a lot of sebum mechanically dilates to let it pass, and when sebum stagnates and oxidizes together with dead skin cells, it forms the plug that makes the pore dark and even more visible. This is the mechanism that leads to blackheads.
The third variable appears later and is the one that surprises people most. Over the years, the skin loses collagen and elastin, the tissue surrounding the pore weakens, and the pore takes on an elongated, teardrop shape instead of a round one. This is why pronounced pores can also be seen on skin that has never been oily: there, the problem is not sebum but support. Photodamage accelerates this exact process, which is why sun protection is one of the things that helps keep skin texture even.
What does not work (and what makes things worse)
- Steam and cold water. Heat softens sebum and makes it easier to remove, but it does not open anything, and cold water does not close anything. We explained why in this dedicated article.
- Pore strips. They remove the superficial plug and leave the follicle empty and traumatized: it fills up again within a few days, while the surrounding skin becomes irritated.
- Squeezing. It ruptures the follicle wall, pushes the contents into the dermis, and turns a visible pore into inflammation that may leave a mark.
- Aggressive scrubs and degreasing cleansers. They remove too much sebum, so the skin responds by producing more, making the original problem worse.
The active ingredients that really make a difference
When it comes to sebum, the key ingredient is salicylic acid: because it is oil-soluble, it enters the pore, dissolves the plug of sebum and cells, and keeps it clear. It is the only exfoliant that works inside the pore, not just on the surface. Niacinamide works on another front: it regulates sebum production and improves the firmness of the skin around the pore, so it addresses both causes.
When it comes to support, you need active ingredients that stimulate renewal and collagen synthesis: retinol and its derivatives, along with alpha hydroxy acids such as glycolic acid, which refine the surface and gradually improve skin density. Results here appear over months, not weeks: it is the kind of work that does not provide immediate satisfaction but delivers plenty later.
Green clay, used as a mask once or twice a week, absorbs excess sebum and temporarily reduces the appearance of pores. It does not alter their structure, but it makes a significant difference on skin that becomes shiny during the day.
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The routine, in order
- Cleanse twice a day, with a cleanser that does not leave your skin feeling tight. If your skin feels taut after rinsing, that cleanser is working against you.
- Targeted exfoliation twice a week, with salicylic acid if the problem is sebum, or an AHA if the problem is texture and firmness. Do not use both on the same evening.
- Niacinamide every day, morning or evening: it is the best-tolerated active in the group and combines well with everything.
- Light hydration, even on oily skin. Dehydrated skin produces more sebum, not less. This also applies to anyone who already has a routine for oily skin in place.
- Sun protection every morning. This has the greatest long-term impact because it slows the loss of support that elongates pores.
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Sebum or age: two problems, two strategies
Before choosing products, it is worth understanding which of the two cases you are dealing with, because the routine changes. If pores are most visible on the nose, forehead, and chin, the skin becomes shiny within a few hours, and there are blackheads, sebum is the driving factor: the approach is salicylic acid, niacinamide, and cleansing. If, instead, pores are visible on the cheeks, have an elongated shape, and have appeared in recent years on skin that was not oily, the driving factor is loss of firmness: the approach is retinoids, AHAs, and photoprotection.
Many people have both situations in different areas of the face. In that case, different active ingredients are applied to different areas, which is less convenient but more sensible than using a single product that promises to do everything.
In-office treatments
Professional-strength peels, microneedling, and fractional lasers work by remodeling collagen and can improve the appearance of pores more than any cosmetic product. These are medical procedures: the choice, indication, and aftercare are the dermatologist's responsibility, and a cosmetic product neither replaces nor imitates them. What a cosmetic product does well is maintain the result and prevent further deterioration.
Frequently asked questions
Can enlarged pores be eliminated permanently?
No. Pores are anatomical structures and need to be there. Their visibility can be significantly reduced, and you can prevent them from getting worse, but a poreless face exists only after applying a filter.
Does putting ice on your face help?
It creates an immediate tightening effect that lasts a few minutes, caused by vasoconstriction. It has no effect on the structure of the pore and is counterproductive on skin with couperose.
Does makeup make pores worse?
Not by itself. It makes the situation worse if it is not removed properly in the evening or if the formula is occlusive on skin that already produces a lot of sebum. Double cleansing in the evening almost always solves the problem.
Sources for this article
- Dermatological literature on the determinants of pore size: sebum production, genetics, age, photodamage, and loss of perifollicular elasticity.
- Clinical studies on the topical use of niacinamide in regulating sebum production and improving the appearance of pores.
- Studies on salicylic acid as a liposoluble keratolytic agent at the pilosebaceous follicle level.
- Reviews on the topical use of retinoids and alpha hydroxy acids in collagen remodeling and skin surface quality.
The point is that pores are not a flaw to correct; they are a structure to keep in order. Those who succeed work on two fronts at a time, sebum and support, and do so for months. No mask can do in one evening what a boring routine maintained for six months can do.
