Hormones · Explained
Does progesterone cause hair growth on the face?
This is one of the most common hormone questions in facial hair forums, and it has a genuinely nuanced answer — because 'progesterone' in everyday conversation covers two quite different things.
Quick answer
Natural progesterone is not androgenic and is not a recognised cause of facial hair. Some synthetic progestins are. Older progestins derived from testosterone — levonorgestrel and norethisterone among them — carry androgenic activity and have been associated with acne and increased hair growth in susceptible people. Newer progestins such as drospirenone are considered anti-androgenic. If facial hair changed after a contraception or HRT change, the specific progestin is the thing to ask about.
Educational only — not medical advice. Never start or stop a prescribed hormonal medication based on an article.
Two different things called "progesterone"
- Progesterone — the hormone your body makes after ovulation, and the bioidentical form used in some HRT regimens (often micronised progesterone). Not androgenic.
- Progestins — synthetic compounds designed to mimic progesterone's effects, used in most contraceptives and many HRT products. Chemically diverse, and several are derived from testosterone, carrying leftover androgenic activity.
Almost all the confusion in online discussion comes from these two being used interchangeably. When someone says progesterone gave them chin hair, they usually mean a progestin.
The androgenicity spectrum
| Compound | Type | Androgenic activity |
|---|---|---|
| Micronised progesterone | Bioidentical | None recognised |
| Drospirenone | Progestin | Anti-androgenic |
| Dienogest | Progestin | Anti-androgenic |
| Desogestrel | Progestin | Low |
| Norgestimate | Progestin | Low |
| Norethisterone | Progestin | Moderate |
| Levonorgestrel | Progestin | Moderate |
Why PCOS muddies the picture further
In PCOS, ovulation is irregular or absent, which means the natural post-ovulation progesterone rise often does not happen. So women with PCOS frequently have both low progesterone and significant facial hair — and it is easy to conclude one caused the other. In reality both are downstream of the same underlying picture. Our explainer on why PCOS causes chin hair covers the androgen mechanism, and does chin hair mean PCOS covers when to actually investigate.
In perimenopause and HRT
Many HRT regimens pair estrogen with a progestogen to protect the uterine lining. If facial hair became noticeably worse after starting a particular regimen, the progestogen component is a reasonable thing to raise — there are usually alternatives. But bear in mind that perimenopause independently causes facial hair through the estrogen-to-androgen ratio shift described in perimenopause and facial hair, so timing alone does not establish cause.
What to do about the hair itself
Regardless of which hormone is involved, hairs that have already turned coarse need physical management. That means a gentle removal method — threading or dermaplaning for most facial hair — plus a daily topical if you want regrowth to come back finer. Hadea Cyperus Rotundus Oil works on the follicle and does not interact with hormonal medication, which is why it is often used alongside a clinician-led plan rather than instead of one.
Frequently asked questions
Does progesterone cause facial hair growth?
Natural (bioidentical) progesterone is not considered androgenic and is not generally linked to facial hair growth. The confusion comes from synthetic progestins — some of them, particularly older ones derived from testosterone, do have androgenic activity and have been associated with acne and increased hair growth in susceptible people.
Which progestins are androgenic?
Older testosterone-derived progestins such as levonorgestrel and norethisterone have measurable androgenic activity. Newer ones like drospirenone, desogestrel, and dienogest are considered anti-androgenic or neutral. This is a discussion to have with the prescriber, since the right choice depends on far more than hair.
Can the progesterone-only pill or hormonal IUD cause chin hair?
Some people report new or worsened facial hair and acne on progestin-only methods that use androgenic progestins. It is not universal and is not well quantified in the literature. If it started after a change in contraception, that timing is worth raising with your doctor.
Does low progesterone cause facial hair?
Low progesterone on its own is not an established cause of hirsutism. However, conditions that reduce progesterone by preventing regular ovulation — PCOS being the main example — are strongly associated with facial hair, so the two often appear together without one causing the other.
Will stopping progesterone reverse facial hair?
Stopping an androgenic progestin may slow the appearance of new hairs over several months, but hairs that have already converted to coarse terminal hair generally stay. That conversion is not reversed by removing the hormonal trigger.
What should I ask my doctor?
Whether the specific progestin you are taking is androgenic, whether a lower-androgen alternative would suit your situation, and whether your symptom pattern warrants androgen testing. Never stop a prescribed hormonal medication without medical advice.
Related reading
See also does estrogen stop facial hair growth, birth control for hirsutism, and spironolactone for hirsutism.
References
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