Can You Actually Shrink Your Pores? Here’s What the Science Says
Every skincare advertisement promises to “minimise” or “close” pores. The advice columns tell you to splash cold water on your face. The toner labels claim to “tighten.” And yet the pores remain — as visible as ever, if not more so as you get older.
The frustrating reality is that most common advice about pores is either oversimplified or outright wrong. Cold water does not close pores (they’re not openings with lids). Toners don’t tighten them. And no amount of cleansing will make them smaller if you have genetics that produce large ones.
What science actually says about enlarged pores is more nuanced — and more useful — than what most skincare marketing tells you.
A pore is an opening on the skin surface through which a hair follicle and sebaceous gland express their contents. Every pore is associated with a hair follicle, even on areas like the nose where the hair is too fine to be visible.
Pore size is influenced by several factors:
High sebum output stretches the pore opening. This is why oily skin types, and skin areas with high sebaceous gland density (nose, cheeks, forehead), tend to show larger pores.
Pore size is substantially heritable. If your parents have visible pores, you’re more likely to as well.
As collagen and elastin in the surrounding skin decline with age, the walls of the pore lose their structural support. The pore opening widens, not because of increased sebum, but because the skin framework that kept it taut has loosened.
UV radiation degrades collagen, accelerating the age-related widening of pores. Patients with significant sun exposure often have visibly larger pores in sun-exposed areas.
When pores are filled with oxidised sebum (blackheads) or dead skin cells, the pore stretches to accommodate the plug. While extraction helps temporarily, the stretched pore returns to its original size only slowly.
“The most important thing patients need to understand about pores is that they can’t be permanently eliminated — they’re functional structures your skin needs,” says Dr. Lee, SW1 Clinic. “But we can significantly reduce their apparent size through treatments that address the root causes: sebum control, collagen support, and skin texture improvement.”
Temperature has no measurable effect on pore size. The temporary appearance of smaller pores after cold water is a very mild surface effect that lasts minutes.
These remove the superficial portion of a blackhead from the pore opening. The underlying follicle refills within days. Pore strips do not address pore size.
Stripping the skin’s natural oil production stimulates a rebound increase in sebum, which can actually worsen the appearance of pores over time.
Topical retinoids (tretinoin, retinol, adapalene) are consistently among the most evidence-supported treatments for enlarged pores. They work through multiple mechanisms:
- Normalising skin cell turnover, reducing the accumulation of dead cells that congest pores
- Stimulating collagen production in the surrounding dermis, providing better structural support for the pore opening
- Reducing sebum production over time
Studies confirm that regular retinoid use produces visible and measurable reductions in pore diameter over months of consistent use [1].
Topical niacinamide (vitamin B3) reduces sebum production and has been shown in double-blind studies to reduce pore appearance with regular use. It’s well-tolerated, non-irritating, and safe for all skin types [2].
Fractional laser creates thousands of microscopic treatment zones in the skin, stimulating a healing response that produces new collagen and elastin. This collagen remodelling tightens the skin around pore openings, reducing their apparent diameter.
Both ablative and non-ablative fractional laser protocols are effective for pore size. The choice depends on skin type, downtime tolerance, and degree of change desired.
At SW1 Clinic, uses fractional laser technology to address pore size alongside overall skin texture and tone improvement.
Combining microneedle-based skin injury with radiofrequency energy, this technology triggers robust collagen and elastin remodelling in the dermis. The tightening effect on the skin framework reduces pore prominence.
“Radiofrequency treatments are particularly useful for patients who want to address pore size, skin texture, and early laxity simultaneously,” says Dr. Chua, SW1 Clinic. “The collagen stimulation addresses several visible ageing concerns in one protocol.”
Regular superficial to medium-depth chemical peels (glycolic acid, salicylic acid, mandelic acid) exfoliate the skin, keep pores clear of congestion, and stimulate collagen. For patients with oily skin and enlarged pores, regular peels are a useful ongoing maintenance treatment.
Long-term management of enlarged pores includes consistent daily SPF use (to prevent UV-related collagen degradation) and appropriate sebum control. Patients with oily skin should use non-comedogenic, lightweight formulations that don’t contribute to pore congestion.
Asian skin in Singapore presents a specific context for pore concerns. Fitzpatrick III–IV skin types tend to have higher sebum production relative to lighter skin types, particularly in humid climates. This makes oiliness and enlarged pores extremely common concerns.
Additionally, Singapore’s humidity means that sebum production is ongoing and significant throughout the day — increasing the tendency for pores to appear large and congested.
Treatments that combine sebum control with collagen stimulation are most appropriate for Singapore’s skin type distribution and climate.
Yan Ling, 31, had large pores across her nose and cheeks that had bothered her since her teens. She’d tried every pore-minimising product available. After assessment, she was prescribed topical tretinoin for home use and underwent a series of fractional laser sessions at SW1 Clinic.
“The combination made a real difference,” she said. “I wasn’t expecting miracles — I knew pores couldn’t disappear. But after three laser sessions and two months of retinoid use, they were significantly less visible. My skin texture in general looks much smoother.”
The honest truth about pore size treatment: you can significantly reduce the appearance of enlarged pores, but you cannot eliminate them entirely. Pores are structural. They cannot be permanently closed or removed without compromising normal skin function.
What’s achievable — with the right combination of skincare and clinic treatments — is a meaningful, visible reduction in pore size that improves overall skin texture and evenness.
Book a skin consultation at to explore which treatments are most appropriate for your skin.
[1] Leyden, J., Stein-Gold, L., & Weiss, J. (2017). Why topical retinoids are mainstay of therapy for acne. , 7(3), 293–304. [2] Bissett, D. L., Miyamoto, K., Sun, P., Li, J., & Berge, C. A. (2004). Topical niacinamide reduces yellowing, wrinkling, red blotchiness, and hyperpigmented spots in aging facial skin. , 26(5), 231–238. [3] Fabbrocini, G., Fardella, N., Monfrecola, A., et al. (2009). Acne scarring treatment using skin needling. , 34(8), 874–879. [VERIFY CITATION — use in context of collagen remodelling]
