The consensus in clinical dermatology identifies topical retinoids, such as adapalene and tretinoin, as the gold standard for treating acne-prone skin. These vitamin A derivatives work by normalising follicular keratinisation, preventing the formation of microcomedones that lead to inflammatory lesions [1]. By accelerating cell turnover, retinoids not only clear existing blockages but also provide a preventative mechanism against future breakouts, while simultaneously improving the appearance of post-inflammatory hyperpigmentation [2].
For inflammatory acne, benzoyl peroxide and salicylic acid remain highly effective therapeutic options. Benzoyl peroxide acts as a potent antimicrobial agent by releasing singlet oxygen species to neutralise Cutibacterium acnes (C. acnes) without the risk of bacterial resistance associated with topical antibiotics [3]. Conversely, salicylic acid, a lipophilic beta-hydroxy acid (BHA), is specialised for its ability to penetrate the lipid-rich environment of the sebaceous follicle, providing deep exfoliation and anti-inflammatory benefits to minimise pore congestion [4].
Acne vulgaris is a chronic inflammatory dermatosis involving four primary factors: follicular hyperkeratosis, excess sebum production, microbial colonisation by C. acnes, and complex inflammatory cascades [1]. Effective treatment requires an integrated approach that addresses these physiological pathways simultaneously. Modern formulations often utilise synergistic combinations to optimise efficacy while maintaining the skin barrier's integrity, which is frequently compromised in acne-prone individuals [5].
Recent biomedical research has shifted focus toward the role of the skin microbiome and the inflammatory response beyond simple bacterial counts. This has led to the inclusion of ingredients like niacinamide (Vitamin B3), which serves to stabilise the barrier function and regulate sebum output, and azelaic acid, which offers multi-modal benefits including dicarboxylic acid-mediated inhibition of tyrosinase and reduction of reactive oxygen species [6]. In Australia, where UV exposure is high, the management of acne must also account for the photosensitising nature of many actives, necessitating a rigorous photoprotection regimen [7].
For those looking to integrate these clinical principles into a daily ritual, our Surface Purify BHA Cleanser was formulated with salicylic acid and bakuchiol to gently clarify pores and manage congestion without compromising the skin's natural defence. To support the skin’s recovery during active treatment, some of our customers find that pairing this with Balance Biome Crème helps maintain a resilient barrier and a calm, balanced complexion.
FAQ
Can niacinamide help with acne-prone skin?
Yes, niacinamide is an excellent supportive active for acne. It possesses anti-inflammatory properties that reduce the redness associated with papules and pustules. Research indicates that 4% niacinamide can be as effective as certain topical antibiotics in reducing lesion counts without inducing bacterial resistance [6]. Furthermore, it increases ceramide synthesis to strengthen the skin barrier and helps regulate sebum production [5].
How does salicylic acid differ from glycolic acid for acne?
While both are exfoliants, salicylic acid is a beta-hydroxy acid (BHA) that is oil-soluble, allowing it to penetrate deep into the pores to dissolve sebum and debris [4]. Glycolic acid is an alpha-hydroxy acid (AHA) that is water-soluble; it primarily works on the skin's surface to improve texture and fade marks. For active congestion and blackheads, salicylic acid is generally considered superior due to its pore-clearing capabilities [2].
Is azelaic acid effective for both acne and redness?
Azelaic acid is a versatile dicarboxylic acid that is highly effective for mild-to-moderate acne and is particularly useful for patients who also experience rosacea or post-inflammatory hyperpigmentation [8]. It acts as a mild exfoliant, exhibits antimicrobial properties against C. acnes, and inhibits the production of pro-inflammatory cytokines, making it a gentle yet effective alternative for sensitive skin types [3].
References:
[1] Leyden JJ, et al. Why Topical Retinoids Are Mainstay of Therapy for Acne. Dermatol Ther. 2017;7(Suppl 1):29-43. doi:10.1007/s13555-016-0167-3
[2] Zaenglein AL, et al. Guidelines of care for the management of acne vulgaris. J Am Acad Dermatol. 2016;74(5):945-973. doi:10.1016/j.jaad.2015.12.037
[3] Matin T, Goodman MB. Benzoyl Peroxide. StatPearls [Internet]. 2023. PMID: 29939605
[4] Arif T. Salicylic acid as a peeling agent: a comprehensive review. Clin Cosmet Investig Dermatol. 2015;8:455-461. doi:10.2147/CCID.S84765
[5] Gehring W. Nicotinic acid/niacinamide and the skin. J Cosmet Dermatol. 2004;3(2):88-93. doi:10.1111/j.1473-2130.2004.00115.x
[6] Walocka M, et al. The role of niacinamide in the treatment of acne vulgaris and its influence on the skin barrier. J Dermatol Treat. 2021;32(7):781-785. doi:10.1080/09546634.2020.1793890
[7] Passeron T, et al. Sunscreen and acne: the importance of photoprotection in management. J Eur Acad Dermatol Venereol. 2020;34(7):1405-1411. doi:10.1111/jdv.16345
[8] Schulte BC, et al. Azelaic Acid: Evidence-based Update on Mechanism of Action and Clinical Application. J Drugs Dermatol. 2015;14(9):964-968. PMID: 26355614
