Hormonal skin

Perimenopause, cortisol, phytoestrogens, adult acne, chronobiology.

Hormonal skin

The skin's clock: melatonin in the keratinocyte, retinoids after dark

Nucleotide excision repair varies by time of day in mammalian models. Night is a practical slot for retinoids and lipids. A serum does not mend DNA because the sky is dark.

Dr. Claire Moreau · 2026-10-17

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Hormonal skin

Adult acne along the jaw: the gland, the androgen, the licence

DHT drives sebocyte lipogenesis in the fourth decade. Clinics can loosen follicular keratin and change the vehicle. Endocrinology stays with a physician.

Dr. Claire Moreau · 2026-10-16

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Hormonal skin

Genistein, resveratrol, and the dose that has to cross the skin

Isoflavones bind estrogen receptor beta weakly. Without an assay, an aglycone and a vehicle that actually dissolves them, the serum is a botanical label.

Julian Vance · 2026-10-15

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Hormonal skin

When cortisol stays on, the lipid factory slows

Sustained cortisol throttles epidermal lipid enzymes. Niacinamide at 2 to 5 percent and an equimolar ceramide blend can support the quota. Sleep remains outside the jar.

Julian Vance · 2026-10-14

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Hormonal skin

After the estradiol drop: collagen, ceramides, and the cream that knows its place

Reviews cite up to 30 percent dermal collagen loss across about five years after menopause. Lipid ratios can tighten the stratum corneum. They do not replace hormone therapy.

Julian Vance · 2026-10-13

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