Headaches can be caused by many things and be signals of many things. A “light” perfume containing ingredients that may cause a headache, probably will regardless of its concentration. We have found that many people who usually suffer from strong reactions have reported no such adverse effects while visiting the perfumery – surrounded by our botanical fragrances. It is one of our main reasons for adhering to the traditional methods. For more information on problems with modern day perfumes see the Fragrance 101 workshop.