Research

Latest published research we're tracking

The newest skincare and haircare papers from PubMed, linked to the ingredients we decode. Summaries are the authors' own abstracts — we excerpt, attribute, and link out to the source.

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1 paper under Skin barrier

Skin barrier

Tryptophan Metabolism at the Crossroads of Immunity, Barrier Function, and the Microbiome in Atopic Dermatitis.

Clinical reviews in allergy & immunology · 2026

Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by complex interplay among immune imbalance, impaired barrier function, and alterations in host‒microbiome interactions. Accumulating evidence indicates that tryptophan (TRP) metabolism is associated with these core pathological processes. This review summarizes the major TRP metabolic pathways, including the kynurenine… Read on PubMed →

Indole Melatonin Tryptophan

DOI

Tryptophan Metabolism at the Crossroads of Immunity, Barrier Function, and the Microbiome in Atopic Dermatitis.

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