Why Androgen Levels Matter: Impact on Hair, Skin, and Overall Health
Hair Loss Science
Why Androgen Levels Matter: Impact on Hair, Skin, and Overall Health
Androgens like testosterone and DHT play a crucial role in several aspects of your health, from hair growth to skin condition and metabolism. Understanding how these hormones affect the body can help you manage issues like hair loss, acne, and even metabolic imbalances.
Key takeaways
- Androgens such as testosterone and DHT influence sexual development, hair growth and hair loss, skin, bone and muscle health, reproduction, metabolism, mood, and cognitive function.
- Balance matters. Low levels may cause fatigue, loss of libido, decreased muscle mass, and weakened bones; high levels are linked to androgenetic alopecia, PCOS in women, prostate issues in men, and increased acne or body hair.
- DHT, formed when the enzyme 5-alpha reductase converts testosterone, is a major factor in male and female pattern hair loss because of its effect on hair follicles.
- If hair loss is your only symptom, testing androgen levels is generally not necessary. DHT-linked hair loss is typically a genetic predisposition, so the focus belongs on the hair loss itself.
Androgen levels, particularly those of hormones like testosterone and dihydrotestosterone (DHT), are crucial because these hormones play vital roles in various physical, metabolic, and reproductive processes. Here is why androgen levels matter, what the different types of androgens do, and when monitoring your levels makes sense.
What androgens do in the body
Androgens play a part in seven areas of health:
01
Development of secondary sexual characteristics
In males, androgens are responsible for puberty-related changes, such as deepening of the voice, development of facial and body hair, increased muscle mass, and growth of the male reproductive organs. They are also involved in the development of libido and sexual function in both men and women.
02
Hair growth and hair loss
Androgens influence hair growth in different areas of the body. High levels of DHT, a potent androgen, can contribute to male and female pattern baldness (androgenetic alopecia). Conversely, androgens stimulate hair growth in areas like the face and body, which can be beneficial or problematic depending on the context (hirsutism in women, for example).
03
Bone and muscle health
Androgens contribute to bone density and muscle mass. Low levels can lead to osteoporosis or muscle weakness, while excessive levels can result in abnormal growth or conditions like acne.
04
Reproductive health
Androgens regulate sperm production in men and influence ovulation and libido in women. Imbalances can lead to fertility issues.
05
Skin and sebaceous glands
Androgens stimulate the sebaceous glands, which can affect skin conditions like acne.
06
Metabolic function
Androgens influence fat distribution, metabolism, and energy levels. Abnormal levels can lead to issues like central obesity or insulin resistance.
07
Psychological and cognitive health
Androgens affect mood, energy, and cognitive function. Imbalances can lead to symptoms like depression, fatigue, or brain fog.
Why balance matters
Androgen levels that are too low and levels that are too high can both cause problems:
- Low androgen levels may cause fatigue, loss of libido, decreased muscle mass, and weakened bones.
- High androgen levels are linked to conditions such as androgenetic alopecia, polycystic ovary syndrome (PCOS) in women, prostate issues in men, and increased acne or body hair.
Different types of androgens
Testosterone is only one of several androgens. Here is what each one does and where it comes from.
1. Testosterone
- Function: The primary male sex hormone, testosterone is crucial for the development of male secondary sexual characteristics like muscle mass, voice deepening, and facial hair. It also supports sperm production and libido in men and plays a role in bone health and mood regulation in both sexes.
- Source: Produced in the testes (in men), ovaries (in women), and adrenal glands (both sexes).
2. Dihydrotestosterone (DHT)
- Function: A more potent derivative of testosterone, DHT is essential for male genital development and the emergence of male secondary sexual traits. However, it is also a major factor in androgenetic alopecia (male and female pattern hair loss) due to its effect on hair follicles.
- Source: Formed when testosterone is converted by the enzyme 5-alpha reductase.
3. Androstenedione
- Function: A precursor to both testosterone and estrogen, androstenedione plays a transitional role in the synthesis of these hormones. It contributes to the development of male features and is involved in puberty in both sexes.
- Source: Produced in the adrenal glands and gonads.
4. Dehydroepiandrosterone (DHEA)
- Function: A weak androgen, DHEA is a precursor to stronger androgens like testosterone and DHT, as well as estrogens. It plays a role in energy, immune function, and maintaining overall hormonal balance.
- Source: Secreted by the adrenal glands, with smaller amounts produced in the gonads and brain.
5. Androstenediol
- Function: A less potent androgen, androstenediol acts as an intermediary in the conversion of DHEA into testosterone and estrogen. It may influence immune response and has some role in secondary sexual characteristics.
- Source: Derived from DHEA in the steroidogenic pathway.
6. Androsterone
- Function: A metabolite of testosterone and DHT, androsterone is less active but contributes to the regulation of androgenic activity in the body. It has been studied for its potential effects on mood and behavior.
- Source: Produced during the breakdown of testosterone in the liver.
7. Estrogenic androgens (in certain contexts)
- Function: While androgens are primarily associated with male traits, their conversion to estrogens plays a critical role in bone density, skin health, and reproductive functions, particularly in females.
Monitoring androgen levels
For most people, testing androgen levels is not required unless you have other symptoms or concerns. If hair loss is your primary issue, it is best to start with treatments for hair restoration and seek expert guidance as necessary.
If other issues are present, regular monitoring through blood tests helps in diagnosing conditions like hormonal disorders, PCOS, or androgen deficiency syndromes. Maintaining balanced androgen levels supports overall health and well-being.
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Summary
Androgens are vital hormones with wide-ranging effects on development, metabolism, and hair health. Imbalances in androgen levels are linked to conditions such as hirsutism, polycystic ovary syndrome (PCOS), or androgenetic alopecia. Understanding their distinct roles can help in managing and treating related health issues.
Hair loss on its own
If hair loss is your only symptom and you otherwise feel healthy, monitoring your androgen levels is generally not necessary, unless you are experiencing other signs of a hormonal imbalance, like changes in skin, fatigue, or mood.
Hair loss linked to elevated DHT is typically a genetic predisposition rather than an indication of an underlying hormonal disorder. For most people, the key focus should be on addressing the hair loss itself, rather than focusing specifically on androgen levels, unless a healthcare professional advises otherwise.
If your hair loss is progressive or shows pattern baldness, such as a receding hairline or a thinning crown, it could be helpful to consult your dermatologist or a hair restoration specialist. They can assess your situation and decide whether hormone testing is needed based on your history, other symptoms, or family history of hair loss.
Related reading: DHT and its effect on hair loss, what to expect at your hair restoration consultation, and whether a hair transplant is right for you.
Questions patients ask
Androgen questions
Why do androgen levels matter?
Androgens such as testosterone and DHT play vital roles in physical, metabolic, and reproductive processes. In males they are responsible for puberty-related changes. They also influence hair growth and hair loss, contribute to bone density and muscle mass, regulate sperm production in men and influence ovulation and libido in women, stimulate the sebaceous glands, and affect fat distribution, metabolism, mood, energy, and cognitive function.
What happens if androgen levels are too low or too high?
Low androgen levels may cause fatigue, loss of libido, decreased muscle mass, and weakened bones. High androgen levels are linked to conditions such as androgenetic alopecia, polycystic ovary syndrome (PCOS) in women, prostate issues in men, and increased acne or body hair.
How do androgens affect hair loss?
DHT, a more potent derivative of testosterone formed by the enzyme 5-alpha reductase, is a major factor in androgenetic alopecia, or male and female pattern hair loss, because of its effect on hair follicles. Hair loss linked to elevated DHT is typically a genetic predisposition rather than a sign of an underlying hormonal disorder. Androgens also stimulate hair growth on the face and body.
Should I get my androgen levels tested for hair loss?
Usually not. If hair loss is your only symptom and you otherwise feel healthy, monitoring your androgen levels is generally not necessary unless you have other signs of a hormonal imbalance, such as changes in skin, fatigue, or mood. If your hair loss is progressive or shows pattern baldness, a dermatologist or hair restoration specialist can assess your situation and decide whether hormone testing is needed based on your history, other symptoms, or family history of hair loss.
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Next step
Talk to a hair restoration specialist
If your hair loss is progressive or shows a pattern, a specialist can assess your situation and decide whether hormone testing is needed. Consultations at Advanced Hair Restoration® are free and in person, so the physician can examine your scalp and donor area directly and map your exact graft count.