Ingredients
Ceramide NP, AP, and EOP: What the Letters Mean on a Moisturiser
Letter codes on moisturiser labels name fatty-acid and base halves. CIR maps retired numbers to NP, AP, and EOP.
By TheSkindex Desk · 14 Oct 2026
Latest
SPF 50, Allegedly: What the Sunscreen Scandal Taught Me About Trust
Australia's consumer group found most sunscreens it tested missed their label SPF. What the Lean Screen recall says about trust, testing and labels.
By Carlyn Bujouves · 15 Oct 2026 · 4 min read
Ingredients
Niacinamide: What Concentration Bands Actually Show Up in Trials
Clinical papers often test 4% or 5% niacinamide for pigment and appearance endpoints. What those bands show, and what CIR use tables covered.
By TheSkindex Desk · 9 Oct 2026 · 4 min read
Evidence
Phenoxyethanol Versus Organic-Acid Preservative Systems
Two ways to keep water-based skincare free of microbes. We map what safety reviews and lab studies show, and why the finished formula matters.
By TheSkindex Desk · 9 Oct 2026 · 8 min read
Evidence
Retinol Versus Retinal Versus Adapalene: What the Evidence Map Actually Says
Three vitamin A relatives with very different evidence behind them. We map what studies show for ageing skin and acne, and how each is regulated.
By TheSkindex Desk · 29 Sept 2026 · 8 min read
From the Index
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