Hormones
Puberty has been a long standing culprit in the formation of acne since this is the stage in every person’s life that the body experiences significant physical and chemical changes. And it is through the body’s increased chemical activity brought about by hormones that creates an imbalance. This may bring about the formation of acne and other blemishes on the skin.Hormonal imbalance is also common in pregnant or menopausal women that acne may also appear during this time.
Genetics and Family History
The risk of having acne is significantly increased in people whose parents were also prone to acne during their youth and even during adulthood.Stress
Stress is often the main culprit in several health conditions affecting people, including acne. When stressed, the body is triggered to increase production and release of hormones from the adrenals, creating a hormonal imbalance, thus the appearance of acne. Several medical studies have been conducted to prove this, wherein stress has been positively seen to produce flare-ups of acne.Medical Conditions
There are several medical conditions that have been seen to cause the appearance of acne. This includes inflammation and infection, skin irritation, hyperactive oil glands, skin scratching, and dead skin cells that often accumulate and block the pores of the skin.Other Causes
There are other factors that have been seen to contribute to the appearance of acne. Ingestion of drugs, specifically of the amphetamine family, and anabolic steroids has been seen to trigger the formation of acne. Being frequently exposed to particular chemical compounds like halogens and chloracne can also bring about acne formation. Anything that is detrimental to the body’s health will definitely be detrimental to the skin.Acne is also triggered by bringing bad or harmful things into one's body. Exposure to certain chemical compounds, such as chloracne or certain halogens, can trigger the formation of acne. Moreover, amphetamines, similar drugs, as well as anabolic steroids, are all well known to cause acne. In general, if something isn't good for your body, it's not going to be good for your skin.