Lichen Sclerosis — what the newer research is revealing about hormones & the microbiome
Some conditions stay quiet for the wrong reasons. Lichen sclerosus is one of them. It affects the most private skin — most often the vulva — & because of where it lives, many women carry it for years before it is ever named. It is frequently mistaken for thrush, brushed aside, or simply endured in silence.
It deserves far better than silence. And the research of the past couple of years is starting to give it that.
what it actually is
Lichen sclerosus is a chronic, immune-mediated inflammatory skin condition. The classic picture is whitish, thinning, fragile patches of skin, often with persistent itching & soreness. Left unmanaged, it can lead to scarring & changes to the surrounding tissue.
It is more common than its low profile suggests, & it shows up most in two groups — girls before puberty & women around & after menopause. That pattern is one of the first clues that hormones are part of the story.
it keeps autoimmunity company
One of the most consistent findings is that lichen sclerosis rarely travels alone. Research across hundreds of patients has linked it strongly to other autoimmune conditions — thyroid disease in particular, but possibly also eczema. For a woman who already lives with one immune-related diagnosis, this connection is not a coincidence to dismiss; it is a thread worth following.
This is the heart of why the condition makes sense as more than a skin problem. The skin is where it shows, but the immune system is where it lives.
what the newer research is adding
This is where it becomes genuinely interesting.
A 2024 study looked closely at the skin of women with vulvar lichen sclerosis & found something striking — a distinct local hormone signature at the skin itself, with lower levels of one form of oestrogen & higher progesterone than in unaffected skin. With treatment, several of those hormone levels began to normalise. The same line of research is mapping the microbiome of that skin — the community of microbes living there — as another piece of the puzzle.
Older research had already pointed to oxidative stress as part of the picture — a state where the skin's local environment tips toward damage, creating conditions that feed inflammation & tissue change.
Put together, a richer model is forming. Not simply a skin condition to be creamed, but an immune-mediated process shaped by hormones, the local microbiome & the wider environment of the body it sits in.
where functional support fits in
What the newer research opens up is a second, complementary question — the terrain beneath the skin. An immune system that runs hot. The oxidative-stress environment named in the literature. The hormonal shifts of midlife. The gut-immune connection that sits underneath so much autoimmune activity. These are the conditions of the whole body, & they are exactly where functional nutrition has something to offer — not as a cure, & not as a replacement, but as support for the system the condition grows out of.
For a woman doing everything her specialist advises & still wanting to understand the bigger picture of why her immune system is behaving this way, that wider terrain is worth exploring
the takeaway
Lichen sclerosis has spent too long unspoken. The medicine manages the skin & protects it, & that comes first. The newer research is quietly widening the lens to hormones, the microbiome & the body's inner environment — & that is where there is more of the story still to understand.But finally, some research is happening!
Book a FREE 20-minute call here — tell me your story.
SOURCES:
Pyle HJ, Mauskar M et al. Assessment of the Cutaneous Hormone Landscapes and Microbiomes in Vulvar Lichen Sclerosus. J Invest Dermatol, 2024
Kreuter A et al. Association of Autoimmune Diseases with Lichen Sclerosus in 532 patients. Acta Derm Venereol
Cooper SM et al. Association of vulvar lichen sclerosus with autoimmune disease — case-control study. Arch Dermatol
Lichen sclerosus: the 2023 update (pathogenesis, oxidative stress, gold-standard topical corticosteroid therapy, malignancy risk)
Understanding lichen sclerosus: pathogenesis and treatment — Reproductive and Developmental Medicine review