Exposure literacy · Public education
A thin hub for educational essays about everyday chemical and environmental exposures. Clear writing, outbound citations, no panic framing — and not a substitute for clinical care.
Essays
01 · Hair dye
Oxidative dye chemistry, allergy and irritation, occupational vs personal-use cancer framing (NCI / ACS / IARC), secondhand fumes and residue, and practical harm reduction.
Disclaimer. Pages under /health/ are general education only. They are not medical advice. For personal decisions — allergies, pregnancy, cancer treatment, occupational exposures — talk with a qualified clinician or occupational-health professional.