Hormonal Acne: A Science-Based Approach to Understanding & Supporting Clearer Skin

An evidence-informed guide to the biology of hormonal acne and the role of laser therapy.

Hormonal acne is one of the most persistent and frustrating skin concerns, often affecting adults well beyond the teenage years. Unlike occasional breakouts, hormonal acne is driven by internal physiological processes that influence oil production, inflammation, and skin cell turnover.

At The Ageless Skin Co., treatments are designed to support the skin at a cellular level—working with the biology of the skin rather than against it.

Understanding Hormonal Acne

Hormonal acne most commonly appears along the lower face, jawline, and chin, and is often cyclical in nature.

The primary driver is androgen hormones (such as testosterone), which can increase during certain phases of the menstrual cycle, periods of stress, or due to underlying hormonal imbalances.

These hormonal shifts influence several key processes in the skin.

The Biology Behind Hormonal Breakouts

Hormonal acne is not caused by a single factor, but rather a combination of interconnected mechanisms:

1. Increased Sebum Production

Androgens stimulate sebaceous glands, leading to excess oil production. This creates an environment where acne-causing bacteria can thrive.

2. Follicular Hyperkeratinization

Skin cells within the pore do not shed properly, leading to clogged follicles (comedones).

3. Bacterial Proliferation

The bacteria Cutibacterium acnes (formerly Propionibacterium acnes) thrives in oil-rich environments and contributes to inflammation.

4. Inflammatory Cascade

The immune system responds by releasing inflammatory mediators such as:

• Interleukin-1 (IL-1)

• Interleukin-6 (IL-6)

• Tumor necrosis factor-alpha (TNF-α)

These cytokines contribute to redness, swelling, and the formation of painful lesions.

Why Hormonal Acne Can Be Difficult to Treat

Because hormonal acne originates internally, topical treatments alone often provide only temporary relief.

Common challenges include:

• Recurring breakouts tied to hormonal cycles

• Skin sensitivity from overuse of active ingredients

• Disruption of the skin barrier

• Persistent inflammation even after lesions heal

This is why many treatment plans now focus on supporting skin function, rather than aggressively stripping or suppressing symptoms.

The Role of Photobiomodulation (Laser Therapy)

Low-level laser therapy (LLLT), also known as photobiomodulation (PBM), is increasingly studied for its effects on inflammation, tissue repair, and skin health.

It uses red and near-infrared light (typically 600–1000 nm) to influence cellular processes.

Key Biological Effects:

✔ Reduction in inflammatory cytokinesPBM has been shown to decrease levels of IL-1, IL-6, and TNF-α, helping calm inflammatory acne lesions.

✔ Modulation of sebaceous gland activitySome studies suggest light therapy may help regulate oil production.

✔ Enhanced cellular repairBy increasing ATP production, PBM supports faster healing of active breakouts and post-inflammatory marks.

✔ Improved skin barrier functionLaser therapy supports keratinocyte activity and helps restore barrier integrity—critical for acne-prone skin.

✔ Reduction in post-acne erythema and scarringImproved circulation and collagen support may aid in reducing lingering redness and textural changes.

What the Research Shows

Clinical studies on light-based therapies for acne have demonstrated:

• Significant reductions in inflammatory lesion counts

• Improvements in skin clarity and texture

• Reduced redness and irritation

• Enhanced healing time of lesions

Importantly, these treatments are generally well-tolerated and do not rely on harsh chemical exfoliation.

Why This Matters

Hormonal acne requires a multi-layered approach that addresses both internal triggers and external skin responses.

While internal hormonal balance may require medical or lifestyle interventions, supporting the skin externally can:

• Reduce severity of breakouts

• Improve recovery time

• Minimize long-term skin damage

• Strengthen overall skin resilience

A Balanced, Evidence-Informed Approach

Managing hormonal acne often involves a combination of:

• Medical evaluation when appropriate

• Gentle, barrier-supportive skincare

• Lifestyle considerations (stress, sleep, nutrition)

• Non-invasive therapies such as photobiomodulation

Laser therapy is not a cure for hormonal acne, but it may serve as a valuable adjunct therapy that supports the skin’s natural healing processes.

Scientific References

Zaenglein, A. L., et al. (2016). Guidelines of care for the management of acne vulgaris. Journal of the American Academy of Dermatology, 74(5), 945–973.

Kurokawa, I., et al. (2009). New developments in our understanding of acne pathogenesis and treatment. Experimental Dermatology, 18(10), 821–832.

Del Rosso, J. Q., & Kircik, L. (2013). The role of inflammation in acne vulgaris. Journal of Clinical and Aesthetic Dermatology, 6(9), 27–35.

Hamblin, M. R. (2017). Mechanisms and applications of anti-inflammatory effects of photobiomodulation. AIMS Biophysics, 4(3), 337–361.

Gold, M. H., et al. (2011). Clinical efficacy of photodynamic therapy and light-based treatments in acne. Journal of Clinical and Aesthetic Dermatology, 4(1), 32–39.

Avci, P., et al. (2013). Low-level laser (light) therapy for treatment of acne vulgaris. Lasers in Surgery and Medicine, 45(2), 73–83.