Pore Minimising Protocol: The Science of Visibly Smaller Pores

You cannot shrink pores - but you can make them appear significantly smaller by clearing their contents, maintaining surrounding collagen, and controlling sebum production. Pore size is largely genetic and determined by follicle diameter and sebaceous gland activity. What looks like large pores is almost always a combination of sebum-distended follicles, collagen laxity, and surface dehydration making follicle openings more visible. This is the SerumScientist.com evidence-based pore minimising protocol.

1. Salicylic Acid: The Pore-Clearing Active

BHA (salicylic acid) is lipophilic and penetrates the sebaceous follicle to dissolve the lipid-rich sebum plug that distends the pore opening. At 2%, it reduces visible pore size by clearing follicular content, reducing comedone formation, and mildly suppressing sebum production via anti-inflammatory effects on the sebaceous gland. This is the single most effective OTC active for pore appearance. (Arif T. PMID:25878537) L1

2. Retinoids: The Long-Game Pore Treatment

Retinoids reduce pore visibility via two mechanisms: normalising follicular hyperkeratinisation (preventing the dead skin cell buildup that stretches pore openings) and stimulating perifollicular collagen production that physically tightens the skin surrounding each pore. Tretinoin 0.025-0.05% is the most evidence-supported retinoid for pore reduction - effects are visible at 12 weeks and accumulate over 6-12 months. (Kligman AM et al. PMID:3549409) L1

3. Niacinamide: The Sebum Regulator

Niacinamide at 5-10% reduces sebum excretion rate by approximately 18-23% at 8 weeks via inhibition of lipogenesis in sebocytes. Reduced sebum production means less follicular distension and smaller apparent pore size. It also strengthens the barrier, reducing surface dehydration that makes pores appear more pronounced. (Draelos ZD et al. PMID:16766489) L2

4. Collagen Support: The Structural Approach

Perifolicular collagen provides the structural scaffold that keeps pore openings taut. As type I and III collagen degrades with age and UV exposure, the surrounding tissue becomes lax and pores appear to widen. Signal peptides (GHK-Cu, Matrixyl) and vitamin C (collagen co-factor) support ongoing collagen synthesis to maintain this scaffold long-term.

The SS Pore Minimising Protocol

AM: Low-pH gel cleanser, Niacinamide 10% (Black Rice Niacinamide Concentrate), Peptide Serum, lightweight non-comedogenic moisturiser, SPF 50+ mineral (zinc oxide)

PM: Double cleanse, BHA 2% salicylic acid (3-4x/week), Retinol 0.3-0.5% or tretinoin (on alternate nights to BHA), Niacinamide 10%, ceramide moisturiser

Weekly: Clay mask or BHA mask to deep-clean follicles and remove accumulated sebum. Do not physically squeeze or strip pores - this causes inflammation and temporary enlargement.

The SS Perspective

The pore minimising category is one of the most over-promised in skincare. No serum shrinks a pore. What topicals can do is clear follicular congestion with BHA, reduce sebum production with niacinamide, maintain perifolicular collagen with retinoids and peptides, and keep the surrounding skin hydrated to reduce contrast. Do all four consistently and pores will appear visibly smaller - not because they shrank, but because the conditions making them prominent have been addressed.

Robert Lee
The Serum Scientist - Founder, SerumScientist.com

2026 SerumScientist.com. All rights reserved. This article is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before beginning any new skincare regimen.