“When an idea is strong enough in my mind, I create a brief where I describe not only the smell but the emotion. I use anything from pictures of poetry to cinema to music, to science, which I always present to the perfumer in person.” Often, a Byredo fragrance starts with a very specific memory. Encens Chembur, for example, is based on recollections of visiting his mother’s hometown outside Mumbai and the permeating scent of incense from the town’s Hindu temples: “I based a fragrance on that incense, and added certain elements.”