The Science of "Hypoallergenic": How Space-Age Metals Like Gold and Titanium Are Saving Sensitive Skin

Published on Jan. 26, 2026, 10:01 p.m.

It starts as a faint itch. Then, a patch of red, bumpy skin appears right where your new belt buckle or the button on your jean…

PPD Hair Dye Allergy: Symptoms, Risks, and How to Perform a Patch Test

Published on Oct. 14, 2025, 6:21 p.m.

This phrase, pulled from a consumer review of a popular hair dye shampoo, is more than just a complaint; it's a distress signal…