To effectively minimise the appearance of large pores, a multi-faceted approach targeting sebum production, follicular debris, and dermal elasticity is required. The gold standard for topical intervention involves the use of retinoids (vitamin A derivatives), which accelerate cellular turnover and prevent the accumulation of corneocytes within the pore, thereby preventing mechanical stretching of the follicular opening [1]. Additionally, niacinamide (vitamin B3) has been clinically shown to reduce sebum excretion rates, which is a primary driver of pore prominence, particularly in the T-zone area [2].
Beyond topical actives, incorporating chemical exfoliants such as Salicylic Acid (BHA) is essential for those with oily skin. As a lipophilic hydroxy acid, salicylic acid penetrates the lipid-rich environment of the sebaceous follicle to dissolve debris and maintain pore patency [3]. For long-term structural improvement, sun protection is non-negotiable; chronic UV exposure degrades the collagen and elastin fibres that provide structural support to the pore walls, leading to 'drooping' pores that appear significantly larger as we age [4].
Pore size is physiologically determined by a combination of genetics, biological sex, and the size of the associated sebaceous gland. In clinical dermatology, the term 'pore' usually refers to the pilosebaceous unit's opening. When these units become clogged with sebum and keratinised cells, they expand, a process often exacerbated by the loss of dermal integrity [1, 5].
Research indicates that pore visibility is strongly correlated with high sebum output and decreased skin elasticity. In an Australian climate, environmental stressors such as high UV levels and humidity can further increase oil production and accelerate photo-ageing, leading to a phenomenon known as 'actinic elastosis,' where the skin loses the structural tension required to keep pore openings tight and circular [4, 6].
For those looking to integrate these principles into their daily ritual, our Surface Purify cleanser was formulated with salicylic acid to help clarify the follicular opening and prevent the congestion that leads to mechanical stretching. To further support a refined complexion, some of our customers find that Balance Biome Crème offers a specialised approach, utilising niacinamide to manage excess sebum while maintaining the skin's essential barrier resilience.
FAQ
Can pores actually 'open' and 'close'?
Pores do not possess skeletal muscle tissue and therefore cannot 'open' or 'close' like a door. However, their diameter can fluctuate based on environmental temperature and sebum flow. Steam may soften the sebum (debris) within a pore, making it easier to remove, but it does not change the physical structure of the pore itself [1, 3].
Does niacinamide help with pore appearance?
Yes, niacinamide is highly effective for minimising pore appearance. At concentrations of 2-5%, it has been shown to regulate sebaceous lipid production and improve the skin barrier function. By reducing the volume of oil flowing through the pore and improving skin texture, the pores appear significantly smaller and more refined [2, 7].
What role does collagen play in pore size?
Collagen and elastin form the 'scaffolding' that surrounds the pore. When these proteins are degraded by ageing or UV damage, the pore loses its structural support and begins to sag, taking on an oval or elongated shape that is more visible to the naked eye. Strengthening this extracellular matrix through retinoids and daily SPF is vital for pore maintenance [4, 5].
References:
[1] Dong J, et al. Clinical and Cosmetological Aspects of Facial Pores. Dermatologic Surgery. 2015;41(10):1130-1136. doi:10.1097/DSS.0000000000000491
[2] Draelos ZD, et al. The effect of niacinamide on surface irritation and sebum production. Journal of Cosmetic and Laser Therapy. 2006;8(2):96-101. doi:10.1080/14764170600714561
[3] Arif T. Salicylic acid as a peeling agent: a comprehensive review. Clinical, Cosmetic and Investigational Dermatology. 2015;8:455-461. doi:10.2147/CCID.S84766
[4] Flament F, et al. Facial skin pores: a multiethnic study. Clinical, Cosmetic and Investigational Dermatology. 2015;8:85-93. doi:10.2147/CCID.S74401
[5] Lee SJ, et al. Facial Pores: Definition, Causes, and Treatment Options. Dermatologic Surgery. 2016;42(3):277-285. doi:10.1097/DSS.0000000000000657
[6] Kim BY, et al. Sebum, Skin Elasticity, and Facial Pores. Skin Research and Technology. 2013;19(1):e45-e55. doi:10.1111/j.1600-0846.2012.00603.x
[7] Bissett DL, et al. Niacinamide: A B vitamin that improves aging facial skin appearance. Dermatologic Surgery. 2005;31(7 Pt 2):860-865. doi:10.1111/j.1524-4725.2005.31732
