If you’ve noticed that your breakouts are stubbornly concentrated around your chin or jawline, you’re not alone and it’s not just a coincidence. This type of localised acne is a surprisingly common concern, especially among adults, and it often leaves people wondering what makes this particular area so prone to spots. Unlike the occasional forehead blemish or a few clogged pores on the cheeks, chin and jawline breakouts often follow a more persistent pattern and can be frustratingly resistant to typical acne treatments.
But why does this happen? Why does acne seem to favour the lower half of your face?
While breakouts on other areas of the face such as the T-zone or cheeks can be linked to factors like excess oil production, clogged pores, or makeup residue, the chin and jawline are often influenced by an entirely different set of triggers. These may include underlying hormonal fluctuations, stress, dietary choices, and even specific skincare habits or external factors like face masks and shaving.
In this article, we’ll take a closer look at the most common causes of chin and jawline acne, including how hormonal changes particularly in women play a major role. We’ll also explore how stress levels, nutrition, and skincare products might be influencing your skin’s behaviour. Most importantly, we’ll cover how dermatologists diagnose and treat this type of acne, and what you can do to reduce breakouts and prevent future flare-ups in this area.
Whether your spots appear like clockwork around your menstrual cycle or you’re dealing with constant congestion around your jawline, this guide will help you understand what’s really going on with your skin and how to treat it more effectively.
What Causes Breakouts on the Chin and Jawline?

Spots that consistently appear around the chin and jawline can be both frustrating and stubborn. While acne in general has many triggers, this specific area of the face is particularly sensitive to certain internal and external factors. In many cases, these breakouts are a visible reflection of what’s going on inside the body especially when it comes to hormones and stress but skincare routines and diet can also play a major role.
Below, we explore the most common causes behind acne on the chin and jawline, helping you understand why this area is often more prone to flare-ups than others.
1. Hormonal Acne
Hormonal changes are one of the most well-known causes of breakouts around the chin and jawline. These areas are especially reactive to fluctuations in androgens male sex hormones that both men and women produce. When androgen levels rise, they stimulate the sebaceous glands in the skin to produce more oil. This excess sebum can mix with dead skin cells and clog pores, creating the perfect environment for acne-causing bacteria to thrive.
Here are a few scenarios where hormonal changes can trigger acne in this area:
- Puberty: During adolescence, hormone levels surge, often causing an increase in oil production. The chin and jawline are commonly affected, and breakouts can appear as deep, inflamed spots or clusters of small bumps.
- Menstrual Cycle: For many women, hormonal breakouts become most noticeable in the week leading up to their period. This is when oestrogen levels drop and androgens take the lead, often resulting in painful spots or cysts around the jawline and chin.
- Polycystic Ovary Syndrome (PCOS): PCOS is a hormonal disorder that can cause a range of symptoms, including irregular periods, excess hair growth, and acne. The acne associated with PCOS tends to be concentrated in the lower face region and can be more persistent and resistant to standard treatments.
- Menopause and Perimenopause: Hormonal fluctuations during these life stages can also trigger acne in women who may not have had breakouts for decades.
Hormonal acne often appears as deep, under-the-skin bumps that can be painful to touch. These spots may not come to a head, and they often leave behind marks or pigmentation long after the breakout has healed.
2. Stress
Stress doesn’t just take a toll on your mental wellbeing it also impacts your skin. When you’re under stress, your body produces more of a hormone called cortisol. Elevated cortisol levels can increase oil production in your skin’s sebaceous glands, which in turn raises the likelihood of clogged pores and inflammation.
Here’s how stress contributes to breakouts:
- Oil Overproduction: Cortisol stimulates sebaceous glands, resulting in oilier skin, particularly around the jawline, which is already sensitive to hormonal fluctuations.
- Inflammation: Stress weakens the skin barrier, making it more prone to inflammation and slower to heal, especially when breakouts occur.
- Disrupted Sleep and Habits: Chronic stress often leads to disrupted sleep patterns, poor diet choices, or lapses in skincare routines all of which can worsen acne.
Stress-related acne is often cyclical. The more you stress about your skin, the worse it can become a frustrating loop that many people find difficult to break.
3. Diet
What you eat may have more of an impact on your skin than you realise. Certain foods can trigger hormonal responses in the body that lead to increased oil production and inflammation, both of which are known acne contributors.
Some dietary triggers that may influence chin and jawline acne include:
- Dairy Products: Several studies have linked dairy particularly skim milk to acne breakouts. It’s believed that hormones present in milk may interfere with your own hormone levels and contribute to sebum overproduction.
- High-Glycaemic Foods: Foods that spike blood sugar levels quickly, such as white bread, sugary snacks, and fizzy drinks, may lead to an increase in insulin levels. Elevated insulin can stimulate androgen activity, which in turn increases oil production.
- Inflammatory Foods: Diets high in processed foods, unhealthy fats, and added sugars can lead to systemic inflammation, potentially making acne worse.
That said, the link between diet and acne varies from person to person. While some may notice dramatic changes when cutting out certain foods, others may not experience any difference at all. Keeping a food diary can be a helpful tool to identify personal triggers.
4. Skincare Products and Habits

Sometimes, the products we use to improve our skin can end up making breakouts worse especially when used in the wrong way or if they contain ingredients that clog pores.
Here’s how your skincare choices might be fuelling chin and jawline acne:
- Comedogenic Ingredients: Many cosmetic and skincare products contain oils or silicones that can clog pores, especially if they’re not labelled as non-comedogenic. Products like heavy foundations, certain sunscreens, or occlusive moisturisers can trap oil and bacteria on the skin.
- Over-Exfoliating: Using strong exfoliants or acne treatments too frequently can irritate the skin barrier, making breakouts worse instead of better.
- Poor Cleansing Habits: Not fully removing makeup or skipping your evening cleanse can lead to a buildup of oil, sweat, and grime especially around the lower face where sweat and product residue often collect.
- Face Touching and Pressure: Repeatedly touching your chin, holding your phone to your face, or resting your jaw on your hands can transfer bacteria and oil to the skin, increasing the risk of breakouts. Even tight clothing or helmet straps can cause irritation and clogged pores in this area.
- Maskne (Mask Acne): Wearing tight-fitting face masks for long periods especially in warm weather can create a humid environment that traps sweat, oil, and bacteria, contributing to chin and jawline acne.
Improving your skincare routine by choosing the right products and maintaining good hygiene can go a long way in reducing breakouts in this area.
How Dermatologists Diagnose and Treat Chin and Jawline Acne
If you’re experiencing persistent or painful breakouts along your chin and jawline, visiting a dermatologist is often the best course of action. Unlike over-the-counter solutions that take a generalised approach, dermatologists offer tailored treatments based on the unique causes behind your acne. This is especially important when dealing with breakouts in specific areas like the lower face, which are frequently tied to underlying hormonal or systemic issues.
When you consult a dermatologist in London or anywhere else the first step is always a comprehensive assessment. Dermatologists don’t just look at what’s happening on the surface of your skin. They dig deeper into your personal history, lifestyle, and possible internal triggers to uncover the root cause of your acne. Here’s a closer look at how they approach both diagnosis and treatment:
Diagnosis
Proper diagnosis is essential because treating chin and jawline acne effectively depends on identifying what’s causing it in the first place. Dermatologists typically use a multi-pronged approach to figure this out.
- Skin Pattern and Medical History:
Your dermatologist will start by examining the location and nature of your breakouts. Acne that appears specifically along the chin, jawline, and sometimes down the neck often suggests a hormonal component. You’ll likely be asked questions about your menstrual cycle, any history of irregular periods, or recent changes in your birth control or hormone therapy. They’ll also consider any patterns you’ve noticed such as flare-ups during stressful periods or specific times in your cycle. - Skin Type and Sensitivity:
Understanding your skin type (oily, dry, combination, or sensitive) plays a vital role in diagnosis. Oily or acne-prone skin may require different treatments than dry or reactive skin, and it also affects which products your skin can tolerate. - Lifestyle and External Factors:
Dermatologists may inquire about your diet, sleep patterns, stress levels, and skincare habits. They’ll look at whether you wear face coverings for long periods, whether you’re touching your face frequently, or if you’re using any products that might be comedogenic (pore-clogging). - Blood Tests and Hormonal Assessment:
If there are signs that suggest a hormonal imbalance such as irregular cycles, hair thinning, excessive hair growth, or stubborn cystic acne a blood test may be ordered. This can check levels of androgens, insulin, and other reproductive hormones. This is particularly important if conditions like Polycystic Ovary Syndrome (PCOS) are suspected. In some cases, an ultrasound may also be recommended as part of the diagnostic process.
Treatments

Once the cause of your chin and jawline acne has been identified, your dermatologist will develop a personalised treatment plan. This plan may include one or more of the following strategies, depending on the severity and underlying cause of your acne:
- Topical Treatments:
For mild to moderate acne, topical treatments are usually the first line of defence. These are applied directly to the skin and help unclog pores, reduce inflammation, and eliminate bacteria. Common topical prescriptions include:
- Retinoids (such as tretinoin or adapalene): These vitamin A derivatives promote cell turnover and prevent pores from becoming blocked.
- Benzoyl Peroxide: A powerful antibacterial agent that also reduces inflammation.
- Topical Antibiotics: Such as clindamycin or erythromycin, which target acne-causing bacteria.
- Azelaic Acid: A gentle but effective option, often used for hormonal acne or sensitive skin.
Topical treatments may take several weeks to show visible results, and consistency is key.
- Oral Medications:
When acne is more severe or unresponsive to topical treatments, oral medications may be necessary. These work internally to reduce inflammation, control bacteria, or manage hormone levels. Options include:
- Oral Antibiotics: Often prescribed short-term to control bacterial growth and reduce inflammation.
- Oral Contraceptives (Birth Control Pills): These can be effective for women whose acne is triggered by hormonal fluctuations. Certain pills regulate oestrogen and progesterone levels, helping to keep breakouts in check.
- Isotretinoin (Roaccutane): Used in cases of severe, cystic acne that doesn’t respond to other treatments. This powerful drug significantly reduces oil production but requires careful monitoring due to potential side effects.
- Hormonal Treatments:
If hormonal imbalance is confirmed, dermatologists may prescribe medications that specifically target hormone activity.
- Spironolactone: This is a common option for adult women with hormonal acne. It works by blocking androgen receptors in the skin, which helps reduce oil production.
- Metformin: Sometimes used in women with PCOS, this medication helps regulate insulin levels, which in turn can stabilise hormones and reduce acne.
Hormonal treatments are generally long-term solutions and may take a few months to show noticeable improvements.
- In-Clinic Treatments:
In some cases, dermatologists may recommend additional in-clinic procedures to support acne management:
- Chemical Peels: These help exfoliate the skin and clear blocked pores using acids like salicylic or glycolic acid.
- Laser or Light Therapy: Treatments such as blue light therapy can target acne-causing bacteria and reduce inflammation.
- Steroid Injections: For very inflamed or painful cysts, a corticosteroid injection can quickly reduce swelling and discomfort.
- Lifestyle and Skincare Guidance:
Alongside medical treatments, your dermatologist will also provide practical advice on skincare routines and lifestyle adjustments. This may include:
- Switching to non-comedogenic or fragrance-free skincare products
- Establishing a consistent cleansing routine
- Limiting dairy or high-glycaemic foods if they appear to trigger breakouts
- Managing stress through exercise, sleep, or relaxation techniques
Your dermatologist might also advise you to avoid harsh scrubbing, over-exfoliation, or DIY remedies, which can often do more harm than good especially for hormonal or cystic acne.
Final Thought: Clear Skin Starts with the Right Diagnosis
If you’re struggling with breakouts around your chin or jawline, it’s essential to understand the underlying causes so you can treat them effectively. Whether it’s hormonal acne, stress, diet, or skincare-related issues, professional guidance can make a big difference.
You can get in touch with our acne clinic to book a consultation with one of our expert dermatologists. We offer tailored advice and treatments designed to address the root causes of chin and jawline acne helping you achieve clearer, healthier skin.
References:
- Thiboutot, D. (2008). Overview of acne and its treatment. Cutis, 81(1 Suppl), pp.3–7.
This paper reviews the pathogenesis of acne, especially the role of androgens and sebaceous glands. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2836431 - Zouboulis, C.C. (2004). Acne and sebaceous gland function. Clinical Dermatology, 22(5), pp.360–366. Discusses the hormonal regulation of sebaceous glands and their role in jawline acne. https://doi.org/10.1016/j.clindermatol.2004.01.005
- Poli, F., Dreno, B. and Verschoore, M. (2015). Hormonal treatment of acne vulgaris: an update. Dermato-Endocrinology, 7(1), e1072988. Explains hormonal therapies including oral contraceptives and anti-androgens for acne around the lower face. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5015761
- Burris, J., Rietkerk, W. & Woolf, K. (2013). Acne: The Role of Medical Nutrition Therapy. Journal of the Academy of Nutrition and Dietetics, 113(3), pp. 416–430. Comprehensive review on how high‑glycemic load diets, dairy, fat, and sugar impact acne development.
https://europepmc.org/article/med/23438493 - Harvard Health Publishing (2020). Does diet really matter when it comes to adult acne?
Summarizes evidence on sugar, dairy, glycemic index, and adult acne, including lower-face acne themes. https://www.health.harvard.edu/blog/does-diet-really-matter-when-it-comes-to-adult-acne-2020081920726