The Hormones Nobody Talks About: Testosterone, Progesterone, Your Skin and Hair

By Brandon Mullen, RN, BSN — Founder and Lead Injector, MPWR Aesthetics & Wellness. Medical direction by Michael Wong, MD.

When hormones and skin come up, the conversation is almost entirely about estrogen. Understandably — the changes are dramatic and well documented, and we've written about them.

But two other hormones are doing significant work on your skin and hair, and they explain a set of complaints estrogen doesn't:

• Breakouts in your forties that look nothing like the breakouts you had at seventeen

• Skin that went from oily to uncomfortably dry, or the reverse

• Thinning at the part line and along the temples

• And the one people are most reluctant to bring up — coarse hair appearing on the chin and jaw

None of those are random. Here's what's behind them.

Testosterone: not just a male hormone

This is the misconception worth dismantling first. Testosterone is routinely overlooked in women's health because it's been culturally filed as the male hormone. Women produce it, need it, and notice when it declines.

For skin specifically, testosterone supports:

Oil production. Sebum gets treated as a nuisance, which is backwards. It's a functional part of how skin stays protected and comfortable. Too little, and skin feels tight, rough, and perpetually thirsty no matter what you apply.

The lipid barrier. The mortar between your skin cells, holding moisture in and irritants out. When it's compromised, everything stings, products that used to be fine suddenly aren't, and hydration doesn't hold.

Dermal thickness and integrity. Structural substance — the same quality that separates skin that looks resilient from skin that looks fragile.

Recovery behavior. How efficiently skin bounces back from disruption, including from treatment.

Beyond skin, it's associated with energy, mood, motivation, libido, bone density, and lean muscle — which is why declining testosterone in women tends to get attributed to being busy, being tired, or being a certain age, rather than being recognized for what it might be.

The skin-side implication: if your skin has become dry and reactive in a way that doesn't respond to better moisturizer, the issue may be barrier and lipid production rather than water content. Those need different products. Layering more hydrating serum onto a lipid problem is a very common and very expensive mistake.

Progesterone: considerably more than reproduction

Progesterone gets filed under pregnancy and periods. Its actual range is wider.

It has anti-inflammatory properties. Relevant to anyone whose skin reacts, flushes, or stays irritated.

It supports sleep quality and stress modulation — which connects directly to the cortisol conversation. Sleep and stress-hormone patterns are inseparable, and both show up in skin.

It balances estrogen. There's a mechanism worth understanding here: under chronic stress, the body's demand for cortisol can shift the raw materials available for other hormone production — sometimes described as the "pregnenolone steal." The practical result is that prolonged stress doesn't just add cortisol. It can tilt the balance between your other hormones too.

That's the underappreciated point of this whole series. These systems aren't separate. A stressful year doesn't just raise one hormone; it moves the whole arrangement.

The DHT connection — where hair gets complicated

Here's the mechanism that explains the two hair complaints people find most distressing, and they turn out to be the same problem.

Testosterone converts to DHT — dihydrotestosterone — through an enzyme called 5-alpha reductase. DHT is considerably more potent at the receptor level, and it's the driver behind:

• Oily skin and the breakouts that come with it

• Thinning where you want hair — the scalp, particularly the part line and temples

• Coarse hair where you don't — chin, jaw, upper lip

Progesterone competes with testosterone for that same 5-alpha reductase enzyme. More competition at the enzyme means less conversion to DHT.

Which means when progesterone declines — perimenopause, chronic stress, or both — that competition weakens and DHT conversion can increase. Thinning on the scalp and coarse growth on the face aren't unrelated coincidences arriving together in your forties. They're the same hormonal shift showing up in two places, because hair follicles respond to DHT differently depending on where on the body they sit.

Almost nobody gets told this. Most people assume they're dealing with two separate problems and feel vaguely betrayed by both.

What to actually do with this

Two honest categories, and it matters that you keep them separate.

What belongs with a clinician. If what you recognized here is the hormonal pattern — the timeline, the hair changes, the fatigue alongside the skin changes — that's a conversation with a provider who can evaluate your history and order appropriate testing. We're not going to tell you what your levels are from a blog post, and any practice that offers to diagnose a hormone problem from your symptom list alone is getting ahead of the evidence.

What we can address directly. The visible expression of all of this is skin and hair, and that work is available now regardless of where you land on the hormonal side.

For barrier and lipid changes: a medical-grade routine built for a lipid-depleted barrier rather than a dehydrated one. This is a formulation difference, and it's the single most common correction we make in a skincare consultation.

For adult breakouts: treating forties breakouts with the drying protocols that worked at seventeen tends to make things worse, because the underlying situation is different — often a compromised barrier alongside the breakouts rather than simple oil excess. Professional facials and a corrected routine are the starting point.

For thinning: PRF hair restoration at our Penn Township office, supplementation, and scalp-directed care. The timeline is months, not weeks, and consistency through month three is what separates the people who see something from the people who don't.

For texture and firmness: microneedling and biostimulator treatment work on dermal thickness, which is exactly the layer these hormonal shifts affect.

The point of all three of these articles

Your skin is not a surface. It's tissue responding to a hormonal environment, and when that environment shifts — at menopause, under sustained stress, as testosterone and progesterone decline — the skin changes in specific, predictable, explainable ways.

Which means the changes you've noticed aren't a personal failure of discipline or product selection. They're a system doing what it does under different conditions.

That's worth knowing, because it changes where you spend your effort. And it's a far better starting point for a conversation than a shelf of things that stopped working.

Practical details

Consultation: $100, applied toward the cost of your treatment Where: Facials, microneedling, Glacē, PRF hair restoration, lab draws, and medical-grade skincare planning at Penn Township — 1004 Harrison City Export Rd #3, Harrison City, PA 15636. Injectables and biostimulators at both Penn Township and Greensburg — 1040 Towne Square Dr, Suite 2, Greensburg, PA Book: Schedule a consultation Call or text: 724.201.9424 Service area: Greensburg, Harrison City, Penn Township, Irwin, Murrysville, Jeannette, Delmont, and Westmoreland County

Individual results vary. This article is general education and is not medical advice.

Learn more → mpwraesthetics.com Book → vagaro.com/mpwraesthetics-penntwp Call or text → 724.201.9424 Email→ hello@mpwraesthetics.com