Does Henna Powder Help With Allergic Reaction Risk?
Henna products — especially black henna — frequently cause severe allergic contact dermatitis due to PPD contamination.
Weak EvidenceEvidence Summary
Henna products — especially black henna — frequently cause severe allergic contact dermatitis due to PPD contamination.
Effective Dose
Any topical exposure
Supporting Studies
Every PMID below is a real paper indexed in PubMed. Click any to read the abstract or full text. These are the specific studies HypeCheck cited to support this claim — verify the chain yourself.
Products Containing Henna Powder
No products analyzed yet that contain this ingredient.