Pore size is largely structural and genetically set. What can change is how visible they are.
Book an assessment →Visible pore size is driven by follicular opening diameter, sebum output, loss of collagen support around the follicle with age, and photodamage. Only some of those are modifiable.
Pores do not open and close, and they are not full of dirt. A pore filled with oxidised sebum looks darker, not larger — which is why cleansing changes appearance without changing size.
Sebum output, T-zone versus cheek distribution, whether photodamage or laxity is contributing, and skin thickness.
Approaches that stimulate collagen around the follicle and regulate sebum reduce visible prominence. Claims of permanently shrinking pores overstate what is achievable.
Aggressive exfoliation to shrink pores usually increases sebum output and reactivity, making the appearance worse.
Pores look larger for different reasons in different people, so the first job is to work out which reason dominates. In younger, oilier skin it is usually sebum: the follicle is stretched and the oil inside darkens on contact with air. In skin from the mid-thirties onwards, the collagen that holds the follicle wall firm starts to thin, so pores begin to look elongated or teardrop-shaped, especially on the cheeks. Sun damage speeds up that change.
Where oil is the main driver, the plan starts with skincare: a retinoid introduced gradually, oil-balancing actives such as niacinamide, a non-comedogenic moisturiser and daily sun protection. Where collagen support has thinned, energy-based treatments that prompt a collagen response around the follicle may be discussed, such as fractional or radiofrequency-based approaches. The choice depends on skin type, downtime and pigment risk, which is higher in Asian skin.
What is not offered is a promise to shrink pores permanently. Pore size is largely set by genetics; the realistic aim is that they are less noticeable, and that needs maintenance because oil production and ageing carry on.
Cleansing twice a day, a retinoid at night if tolerated, and sunscreen every morning are the basics. Pore strips, harsh scrubs and frequent clay masks can make skin oilier and more reactive over time. Squeezing blackheads widens the opening and risks marks, so extraction is better left to a clinician.
“A pore full of oxidised oil looks darker, not bigger. Cleansing changes the colour; it does not change the size.”
Pore size is largely structural and genetically set. What can change is how visible they are.
Pores do not open and close, and they are not full of dirt. A pore filled with oxidised sebum looks darker, not larger — which is why cleansing changes appearance without changing size.
Sebum output, T-zone versus cheek distribution, whether photodamage or laxity is contributing, and skin thickness.
Aggressive exfoliation to shrink pores usually increases sebum output and reactivity, making the appearance worse.
No. Pores do not open and close, and their basic size is largely genetic. Treatment aims to make them less visible by controlling oil and supporting the collagen around them, and the effect needs upkeep.
With age and sun exposure the collagen around each follicle thins, so the opening sags and looks larger or elongated, particularly on the cheeks. This is different from the oil-driven pores common in younger skin.
These sources describe mechanisms and general evidence. They are not a promise of any individual result; suitability is decided at an in-person assessment.
Every assessment at IN Eternity Clinic is carried out personally by Medical Director Dr Sin Yong at 9 Scotts Road, #12-01 Pacific Plaza. If the honest answer is that treatment should wait, you will be told that.
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