Why Your Skin Changes in Perimenopause
Have you reached your 40s and suddenly feel like your skin has changed almost overnight?
Maybe it feels drier, thinner or more sensitive. Perhaps you’re noticing more fine lines, less firmness, pigmentation, redness or even breakouts that you thought you’d left behind in your teenage years.
It can be frustrating, especially when the skincare products you’ve used for years suddenly don’t seem to work the same way.
But there’s a reason for it.
Your skin is incredibly responsive to hormones
We often associate perimenopause with changing periods, hot flushes, sleep problems and mood changes, but our skin is also affected by the hormonal fluctuations happening during this transition.
Oestrogen, in particular, plays an important role in maintaining healthy skin. It supports collagen production, skin thickness, hydration, elasticity and blood flow to the skin.
During perimenopause, oestrogen doesn’t simply steadily decline. It can fluctuate considerably before eventually becoming consistently lower after menopause. This is one reason your skin can seem fine one month and suddenly dry, reactive or breakout-prone the next.
Progesterone is also changing, often becoming lower earlier in the perimenopause transition as ovulation becomes less consistent.
At the same time, the balance between oestrogen and androgens shifts. Even if your testosterone isn’t particularly high, lower oestrogen can mean androgens have a greater relative influence. For some women, this contributes to increased oil production, hormonal breakouts or changes in facial hair.
Yes — somehow perimenopause can give you dry skin and pimples at the same time!
What about progesterone, inflammation and histamine?
Progesterone often begins changing earlier in the perimenopause transition as ovulation becomes less consistent and our ability to make progesterone declines. This means we may have more cycles where progesterone production is lower, alongside significant fluctuations in oestrogen.
Progesterone does more than regulate our menstrual cycle. It also interacts with the immune and inflammatory systems, and changing reproductive hormones during perimenopause can influence the way the immune system behaves.
At the same time, oestrogen and histamine have an interesting relationship. Oestrogen can influence mast cells and histamine release, while histamine can also affect ovarian hormone activity. When oestrogen is fluctuating and progesterone is lower, some women may notice they become more sensitive to histamine or experience more inflammatory and reactive symptoms.
For the skin, this can potentially show up as increased itching, redness, flushing, sensitivity, rashes or inflammatory skin conditions.
It’s another reason I don’t look at perimenopausal skin as simply a cosmetic issue. Sometimes the changes we can see on the outside are giving us clues about what is changing on the inside.
Collagen starts to decline
Collagen provides much of the structure, strength and firmness of our skin, while elastin helps it stretch and bounce back.
We naturally produce less collagen as we age, but declining oestrogen can accelerate this process around menopause.
This can show up as skin that feels thinner, less plump or less firm, with fine lines becoming more noticeable.
Your skin barrier can change too
Another common complaint I hear is, “My skin has suddenly become so dry.”
Lower oestrogen can affect the skin’s ability to retain moisture and support its natural barrier. This means skin may lose water more easily and become drier, itchier or more sensitive.
Products you previously tolerated may suddenly sting or irritate your skin. Environmental factors such as sun, wind and dry air may also become more noticeable.
It’s not just about buying a better moisturiser
Skincare absolutely has its place, but healthy skin is also supported from the inside.
Protein, essential fatty acids, zinc, vitamin C, vitamin A and other nutrients are important for skin structure, repair and collagen production. Hydration, blood sugar regulation, gut health, inflammation, stress and sleep can also influence how your skin looks and feels.
So if your skin seems to have suddenly changed in your 40s, you’re not imagining it.
Sometimes it’s another little clue that your hormones are changing — and a reminder that your skin may need a different kind of support than it did ten years ago.
Natasha Gedrim (BHSc Naturopathy)
Thyroid and Hormone Naturopath