Pore size is one of skincare's most persistent anxieties and one of its most misunderstood. The blunt truth first: pores are not doors. They have no muscles, they do not open and close, and no product, temperature or toner literally shrinks them permanently. Pore size is largely genetic and influenced by age and oil production.
That sounds discouraging, but it is actually liberating — because while you cannot change a pore's true size, you can genuinely change how visible it looks, and that is what people actually care about. The distinction is where the honest advice lives.
What makes pores look bigger
Several things enlarge the appearance of pores. Excess oil and dead skin collecting in the pore stretch and darken the opening, making it more obvious. Sun damage over years breaks down the collagen and elastin that keep the skin around each pore taut, so pores sag and look larger. And skin type matters: oilier skin genuinely has more visible pores.
Notice that two of these — congestion and sun damage — are addressable, while genetics and oiliness are largely not. That is the map for what will and won't help.
What genuinely helps their appearance
Keeping pores clear reduces the stretching, so a well-tolerated salicylic acid (which gets into the oily pore) and gentle regular exfoliation make pores look smaller by keeping them empty. Retinoids improve skin texture and support collagen over time, which can visibly refine pores. And — again — sunscreen, by preventing the collagen breakdown that makes pores sag with age.
Niacinamide has some evidence for improving the look of enlarged pores with consistent use. None of these 'shrink' pores in the literal sense; they keep them clear and the surrounding skin firm, which is what visibly refined pores really are.
The myths to drop
Cold water and ice do not close pores — any tightening is momentary and cosmetic. 'Pore-minimising' claims that promise permanent shrinkage are overselling appearance changes as structural ones. Pore strips remove surface gunk and can feel satisfying but do nothing lasting and can irritate. And squeezing or aggressive scrubbing to 'clear' pores usually inflames the skin and makes pores look worse.
The realistic goal is refined-looking, clear pores on healthy skin — achievable — rather than poreless skin, which is a filter, not a face. Accepting what pores are turns a source of anxiety into a simple, manageable part of a gentle routine.