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The Truth About "Chin Acne" In Women

Adult Females Tend to Develop Acne on Their Entire U-zone, Which Includes the Chin, Cheeks, and Jaw

By: Dan Kern, Acne.org Founder & CSO
Last updated: December 15, 2019

The Essential Information

Women are more likely to suffer from adult acne breakouts than men, largely because of hormone changes that occur with menstrual cycles. Up to 85% of women report experiencing premenstrual acne flares as adults.

Although many people believe that adult female acne affects the chin most often, studies show acne affects the chin, cheeks, and jaw. In fact, the evidence shows that acne presents on the cheeks and jaw area even more frequently than on the chin.

The reason people tend to mention "chin acne" when it comes to women is probably because when we look straight at ourselves in the mirror, the chin area is simply more noticeable than the cheeks or jaw.

The Science

Increases in hormone production during adolescence can cause teenagers to get acne. Unfortunately, even in adulthood, many women continue to experience acne breakouts because of normal hormone changes that happen with menstrual cycles. This is known as premenstrual acne. The chart below shows when premenstrual acne breakouts usually happen during the menstrual cycle, and how the levels of different hormones fluctuate during this period.

Hormone changes that happen with menstrual cycles

Research shows that premenstrual acne is common in women, especially those approaching middle age.

Journal of Clinical and Aesthetic Dermatology

"Up to 85 percent of adult women report a worsening of their acne in the days before menstruation," researchers reported in a 2017 study published in the Journal of Clinical and Aesthetic Dermatology. Interestingly, they also noted, "The rate of premenstrual [a.k.a. "hormonal"] acne flares has been found to be significantly higher in women over 30 years of age compared to younger women."1

Where Adult Female Acne Tends to Occur: the U-zone

The chin, cheeks, and jaw areas combined are known as the "U-zone," and the forehead and nose areas are known as the "T-zone." Adult females are more likely to have acne in the U-zone, while adolescent females are more likely to have it in the T-zone.

Common location of acne by age

Many adult women simply refer to the affected U-zone acne as "chin acne." This is likely because the chin is the part of the U-zone that is easiest to see when looking directly in the mirror. But studies show that adult women are just as likely, if not more likely, to experience acne on the cheeks and jaw areas too.2-6

An additional difference between adolescent and adult female acne: Adult female acne tends to present primarily as inflamed pimples, the ones that are red and sore, while adolescent female acne is more likely to present with all types of acne, including non-inflamed, less red and sore pimples, called whiteheads and blackheads.6,7

The Studies: The Cheeks Are Most Affected, Followed by the Chin, and Then the Jaw

The following three studies show that adult female acne is common in the U-zone, particularly on the cheeks. According to the studies, this is seen worldwide, especially in people with darker skin types.

The first study shows us that the cheeks are affected most often, followed by the chin, and then the jaw.

Indian Journal of Dermatology, Venereology and Leprology

A 2012 study published in the Indian Journal of Dermatology, Venereology and Leprology found that adult female acne affects the cheeks most often, followed by the chin, and then the jaw. The study included women and men over the age of 25 who had acne. The average age of women and men in this study was 30.5 years. Among the 230 women included in the study, 83% reported acne on the cheeks; 71% reported acne on the chin, and 61% reported acne on the mandible (jaw area). As indicated from these numbers, many women reported having acne in more than one area of the face. Percentages for men were lower, especially for the chin and jaw.3

The second study reiterates that the cheeks are most prone to adult female acne, followed by the chin.

Journal of Clinical and Aesthetic Dermatology

A 2014 study published in the Journal of Clinical and Aesthetic Dermatology also showed that women were more likely to have acne on the cheeks than the chin. This study compared Caucasian and non-Caucasian women. Among Caucasian women, 28% were found to have acne on the chin, and 31% were found to have acne on the cheeks. For non-Caucasian women, only 12% had acne on the chin, while 58% had acne on the cheeks.4

And the third study shows us that adult women almost always see acne on multiple parts of the face. By this point, we are seeing clearly that "chin acne" is a misnomer. Adult women see acne on more than one part of their face and actually see it more on the cheeks than the chin.

Journal of the European Academy of Dermatology and Venereology

A 2015 international study published in the Journal of the European Academy of Dermatology and Venereology also found that the cheeks, chin, and jaw were the most likely areas for acne to appear in women. This study included 374 women from 15 countries over the age of 25, with an average age of 32. The study also reported that 90% of women with acne had acne in more than one area of the face.5

Here is an overview of all three studies:

Studies on adult female acne

How to Treat Adult Female Acne

Treating acne in women is similar to treating acne in adolescents, but adult acne can sometimes be more stubborn to respond to treatment than adolescent acne.1,7Oral contraceptives (birth control pills) can be effective in specifically reducing premenstrual acne because this type of acne is usually associated with hormone fluctuations. Topical agents like benzoyl peroxide and retinoids can also be effective in treating adult female acne.1,8,9

There are several other factors that, in combination with the hormones involved in menstruation, can combine in complex ways to trigger or worsen adult female acne. These include things that a woman can't help, like genetics or the necessity for a steroid prescription from their doctor, but also include some things that women can take charge of, such as properly using cosmetics, reducing stress, keeping body weight in check, getting plenty of sleep, eating well, and not smoking.

Factors that may contribute to adult female acne


Acne appears to be more of a problem for women, with about 85% of women reporting premenstrual flares, due to the hormonal fluctuations that accompany menstrual cycles. Contrary to the popular belief that the biggest problem area for women is the chin, research shows that acne affects the entire U-zone, particularly the cheeks and jaw - not the chin. However, people link acne on the chin with adult female acne probably because the chin is more noticeable than the cheeks or jaw when looking straight on in the mirror.

Common locations of adult female acne

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  1. Zeichner, J. A. et al. Emerging issues in adult female acne. J Clin Aesthet Dermatol 10, 37 - 46 (2017). https://www.ncbi.nlm.nih.gov/pubmed/28210380
  2. Albuquerqe, R. G., Rocha, M. A., Bagatin, E., Tufik, S. & Andersen, M. L. Could adult female acne be associated with modern life? Arch Dermatol Res 306, 683 - 688 (2014). https://www.ncbi.nlm.nih.gov/pubmed/24952024
  3. Khunger, N. & Kumar, C. A clinico-epidemiological study of adult acne: Is it different from adolescent acne? Indian J Dermatol Venereol Leprol 78, 335 (2012). https://www.ncbi.nlm.nih.gov/pubmed/22565434
  4. Callender, V. D. et al. Racial differences in clinical characteristics, perceptions and behaviors, and psychosocial impact of adult female acne. J Clin Aesthet Dermatol 7, 19 - 31 (2014). https://www.ncbi.nlm.nih.gov/pubmed/25053980
  5. Dréno, B. et al. Large-scale international study enhances understanding of an emerging acne population: Adult females. J Eur Acad Dermatol Venereol 29, 1096 - 1106 (2015). https://www.ncbi.nlm.nih.gov/pubmed/25296739
  6. Choi, C. W. et al. The clinical features of late onset acne compared with early onset acne in women. J Eur Acad Dermatol Venereol 25, 454 - 461 (2011). https://www.ncbi.nlm.nih.gov/pubmed/20659307
  7. Dréno, B. et al. Adult female acne: A new paradigm. J Eur Acad Dermatol Venereol 27, 1063 - 1070 (2013). https://www.ncbi.nlm.nih.gov/pubmed/23302006
  8. Sweeney, T. M., Szarnicki, R. J., Strauss, J. S. & Pochi, P. E. The effect of estrogen and androgen on the sebaceous gland turnover time. J Invest Dermatol 53, 8 - 10 (1969). https://www.ncbi.nlm.nih.gov/pubmed/5793140
  9. Wiegratz, I. & Kuhl, H. Managing cutaneous manifestations of hyperandrogenic disorders: The role of oral contraceptives. Treat Endocrinol 1, 373 - 386 (2002). https://www.ncbi.nlm.nih.gov/pubmed/15832490

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