Hen egg hair mask-induced food allergy: a case report

SUMMARY

We report the case of a 46-year-old woman who treated her hair with a homemade egg-white based mask. After one year of weekly applications, the ingestion of egg triggered rhinitis, choking and systemic urticaria. Though the breakdown of oral tolerance to egg has been reported elsewhere in the literature, to the best of our knowledge, this is the first case of hair mask-induced allergy.