Science and dermatology editor

Dr. Claire Moreau

A cell biologist. She still prefers the cold light of a lab: senescence, penetration, what the skin does after the device is switched off.

Performance and body tech

Sweat raises the pH. The first wash decides the rest.

Eccrine glands make their own lactate, and high flow pushes skin-surface pH toward neutral. Athletes need a syndet near 5, dry clothes, and a shower that is not a scented event.

Dr. Claire Moreau · 2026-11-07

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Spa and neurocosmetics

The peptide can quiet a sting. It cannot lift a mood.

Acetyl tetrapeptides and related sequences are screened on TRP channels. A cabin can score redness and burn. Endorphin copy on the carton stays a category error.

Dr. Claire Moreau · 2026-11-02

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Formulation and toxicology

Bemotrizinol after the sun has had its say

Photostable broadband filters hold a spectrum once the lamp has done its work. Reef-safe remains a slogan. SPF is a dose of 2 milligrams per square centimetre.

Dr. Claire Moreau · 2026-11-01

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Podiatry and nail health

Nails in chemotherapy: dry, unsealed, and agreed with oncology first

Taxanes, EGFR inhibitors and capecitabine mark the nail unit in different ways. Clinics work without trauma, hide nothing, and stay inside the window the treating team clears.

Dr. Claire Moreau · 2026-10-25

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K-beauty and lash architecture

Glass skin is a reflection: liposomes, water, and a surface without scale

Specular shine comes from a swollen, smooth stratum corneum. Multilamellar liposomes can hold humectants there. They do not install a glass filter or a dermal delivery myth.

Dr. Claire Moreau · 2026-10-20

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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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Medical beauty

Microneedling, properly: stamp, pen, RF, and the hygiene that decides the scar

Mechanical channels and radiofrequency heat are different injuries. Depth, joules, scar shape and a sterile unit dose separate a result from an infection.

Dr. Claire Moreau · 2026-10-09

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Medical beauty

PDRN: salmonid DNA fragments, the A2A path, and the consent that has to precede the glow

Polydeoxyribonucleotides act through adenosine A2A and can raise VEGF in models. Species, purification and fish-protein allergy belong in the talk before the ampoule opens.

Dr. Claire Moreau · 2026-10-08

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Medical beauty

Exosomes after needling: size, source, and the vial that has to be sterile

Vesicles of 30 to 150 nanometres are a fraction, not a growth-factor myth. Source, markers, particle count and sterility decide whether the cabin may use them.

Dr. Claire Moreau · 2026-10-07

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Longevity and cell biology

Epigenetic skincare stays on the mark, never on the letters

Peptides can nudge histone enzymes in a model. Copy that claims to rewrite a DNA sequence is false, and it pulls a clinic out of cosmetics.

Dr. Claire Moreau · 2026-10-04

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Longevity and cell biology

Mitochondria in skin: the antioxidants that aim at the organelle

Ascorbic acid stays mostly in the cytosol. MitoQ analogues, PQQ and CoQ10 carriers speak to electron transport, if the vehicle ever gets them there.

Dr. Claire Moreau · 2026-10-03

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Longevity and cell biology

NAD+ in a serum: the molecule, the shelf, the epidermis

NMN and NR fall apart at the surface. Vesicle size, load and a mild pH window decide whether epidermal sirtuin pathways see a precursor at all.

Dr. Claire Moreau · 2026-10-02

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Longevity and cell biology

The cell that stopped dividing and kept the lights on

Senescent fibroblasts stay metabolically busy and release SASP. Fisetin and quercetin remain bench signals until dose, vehicle and pH are real.

Dr. Claire Moreau · 2026-10-01

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