DermalData Researcher

Tretinoin, retinol, retinyl esters — not all vitamin A derivatives are equal. Here’s what decades of peer-reviewed research actually establishes… Read more.

Postbiotics — inanimate microbial components and fermentation byproducts — are the next frontier in microbiome skincare. Here’s what the science… Read more.

The belief that skin “adapts” to products and stops responding is one of skincare’s most persistent myths. Here’s what the… Read more.

The “lightest to heaviest” rule is a proxy, not the actual logic. Here’s the evidence-based framework for layering skincare —… Read more.

From ascorbic acid stability to derivative trade-offs — everything the research actually says about one of skincare’s most studied actives. Read more.

You’ve seen the claim everywhere: your skin absorbs 60–70% of everything you put on it. Influencers, wellness brands, and even… Read more.

Retinol is the most-recommended OTC anti-aging ingredient in dermatology — but how does it actually work? We break down the… Read more.