Journal

#hyperpigmentation

Evidence-based articles tagged “hyperpigmentation”, with supporting research and authority sources.

Ingredients
What Is Thiamidol, and Does It Fade Dark Spots?
Thiamidol is a lab-discovered tyrosinase inhibitor with a real 2026 trial behind its appearance-of-dark-spots claim - but almost every study on it, including the foundational mechanism papers, comes from Beiersdorf, the company that patented and sells it exclusively through Eucerin.
August 20, 20267 min read
Ingredients
Does Rosehip Oil Fade Scars and Dark Spots?
The one solid controlled trial behind "rosehip oil fixes scars" is real — and funded by the company that sells the oil it tested. The "trans-retinoic acid" and "1983 Chilean study" claims that follow it around online don't hold up to a basic source check.
August 20, 20268 min read