08/07/2026
You didn't age overnight.
Your hormones changed. And your skin, hair, and nails are telling you about it.
I see this constantly in my practice. Women in their late 30s and early 40s who come in concerned about what they're seeing in the mirror. The texture of their skin has changed. Lines appeared that weren't there six months ago. Their hair is noticeably thinner, especially at the temples and the crown. Their nails break before they grow. Their skin is perpetually dry no matter how much they moisturize.
They've tried new skincare routines. They've taken biotin. They've increased their water intake. And nothing is really working because they are treating the symptom and completely missing the cause.
Estrogen is directly responsible for collagen and elastin production in your skin. In the first five years of estrogen decline, women lose up to 30% of their skin collagen. That is not gradual aging. That is a hormonal withdrawal happening at the cellular level and no serum on the market can replace it.
Hair thinning in perimenopause is most commonly driven by three things: declining progesterone disrupting the hair growth cycle and pushing follicles into the shedding phase simultaneously; suboptimal Free T3 and undetected Hashimoto's silently affecting follicle health; and low ferritin, which can be "in range" and still be far too low to support healthy hair growth. Ferritin below 70 ng/mL is commonly associated with hair loss even when it doesn't flag as deficient on a standard panel.
Brittle nails? Also thyroid. Also low ferritin. Also low zinc, a mineral that depletes significantly under chronic stress and cortisol elevation.
This is not about finding better products.
This is about finding the right labs. And addressing what your body is actually missing.
Comment LABS below and I'll send you exactly what I test when women come to me with these concerns.