Plenty of essential oils (what tends to be used in these) are aggressively irritating unless diluted to people without allergies. Even when diluted, I am allerg

Plenty of essential oils (what tends to be used in these) are aggressively irritating unless diluted to people without allergies. Even when diluted, I am allergic to some, and my wife is allergic to others, though we get different symptoms than "unnatural" perfumes. Instead of migraines, it's closer to hay fever type allergies.