Articles

What the evidence says

2 articles

Evidence

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

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