Loading the Journal…
Essential storage keeps sign-in, your bag and requested features working. With your permission, optional analytics, sampled session replay, error reports and affiliate tools help us understand and improve the site.
You can use the site without optional tracking and change your choice from the footer. Read the cookie details.
Evidence-based articles tagged “hyperpigmentation”, with supporting research and authority sources.
2 articles
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.
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.