Breakouts along the jawline and chin that flare up around the same time every month are rarely a coincidence. Hormonal acne is one of the most common and most misunderstood forms of acne, driven by internal shifts rather than dirt or poor hygiene, which is why it often resists products that work well for other skin types.
Quick Answer
Hormonal acne is caused by fluctuations in androgens and other hormones that increase oil production and clog pores, commonly around the menstrual cycle, puberty, PCOS, stress, or certain medications. It typically appears along the jawline, chin, and lower cheeks.
What Makes Acne “Hormonal”?
Hormones, particularly androgens like testosterone, stimulate the skin’s sebaceous glands to produce more oil. Excess oil combined with dead skin cells clogs pores, creating an environment where acne-causing bacteria thrive. This is why hormonal acne often appears in predictable cycles rather than randomly.
Common Causes and Triggers
The Menstrual Cycle
Oestrogen and progesterone shift throughout the month. In the days before a period, progesterone rises and oestrogen drops, increasing oil production and often triggering breakouts along the jaw and chin.
Puberty
A surge in androgens during puberty is one of the most common triggers for acne in teenagers, as oil glands become significantly more active.
PCOS (Polycystic Ovary Syndrome)
PCOS causes elevated androgen levels, which frequently leads to persistent, treatment-resistant acne, often alongside irregular periods and excess hair growth.
Stress
Stress raises cortisol levels, which can indirectly increase oil production and inflammation, worsening existing acne or triggering new breakouts. If stress feels constant or hard to pin down, our guide on anxiety without a clear cause may help.
Perimenopause and Menopause
As oestrogen declines relative to androgens during this transition, some women experience new or worsening acne despite not having breakouts earlier in life. Hormonal shifts during this stage can also affect the skin around the eyes. See what causes dark circles under the eyes.
Diet
High-glycemic foods and dairy have both been linked to increased acne severity in some people, likely through their effects on insulin and hormone levels.
Certain Medications
Some hormonal contraceptives, corticosteroids, and other medications can trigger or worsen acne as a side effect.
How Hormonal Acne Differs From Other Acne
- Concentrated along the jawline, chin, and lower cheeks
- Deep, tender, cystic bumps rather than surface-level blackheads
- Follows a monthly pattern tied to the menstrual cycle
- Often resistant to standard over-the-counter acne treatments
Managing Hormonal Acne
- Use non-comedogenic skincare and avoid over-washing, which can worsen oil production
- Consider ingredients like salicylic acid, niacinamide, or retinoids, introduced gradually
- Manage stress through sleep, exercise, and relaxation techniques
- Track breakouts against your cycle to confirm the hormonal pattern
- Speak with a dermatologist about options like hormonal therapy or spironolactone for persistent cases
When to See a Doctor
- Acne is painful, cystic, or leaving scars
- Breakouts are accompanied by irregular periods or excess hair growth (possible PCOS signs)
- Over-the-counter treatments haven’t helped after several months
FAQs
Why does hormonal acne always show up in the same spot?
The jawline and chin have a high concentration of hormone-sensitive oil glands, which is why hormonal breakouts tend to cluster in this area specifically.
Does diet really affect hormonal acne?
For some people, yes. High-glycemic foods and dairy can influence hormone and insulin levels enough to worsen breakouts, though the effect varies by individual.
Can hormonal acne go away on its own?
It often improves once the underlying hormonal trigger resolves, such as after puberty or with age, but persistent cases usually benefit from targeted treatment rather than waiting it out.
Conclusion
Hormonal acne is driven by internal fluctuations, not surface-level skincare habits, which is why it often needs a different approach than typical acne. Identifying your specific trigger, whether it’s your cycle, stress, or an underlying condition like PCOS, makes it much easier to find an effective, lasting solution.
This article is for general information only and is not a substitute for professional medical advice. For persistent or severe acne, please speak to a GP or dermatologist.
