JEH has served as a consultant for AbbVie, Aclaris Therapeutics, BiologicsMD, EMD Serono, Genzyme/Sanofi, Janssen, Pfizer, Rheos Medicines, Sun Pharmaceuticals, TeVido BioDevices, The Expert Institute, 3rd Rock Ventures, and Villaris Therapeutics; has served as an investigator for Aclaris Therapeutics, Celgene, Dermira, EMD Serono, Genzyme/Sanofi, Incyte Corporation, LEO Pharma, Pfizer, Rheos Medicines, Stiefel/GlaxoSmithKline, Sun Pharmaceuticals, TeVido BioDevices, and Villaris Therapeutics; holds equity in Aldena Therapeutics, NIRA Biosciences, Rheos Medicines, TeVido BioDevices, and Villaris Therapeutics; is a scientific founder of Aldena Therapeutics, NIRA Biosciences, and Villaris Therapeutics; and has patents pending for IL‐15 blockade for treatment of vitiligo, JAK inhibition with light therapy for vitiligo, and CXCR3 antibody depletion for treatment of vitiligo. AGP has served as an investigator for Aclaris Therapeutics, Immune Tolerance Network, Incyte, and Pfizer; a consultant for AbbVie, Arcutis, Avita Medical, Chromaderm, Immune Tolerance Network, Incyte, Pfizer, TWi, Viela Bio, and Villaris; and holds stock options for Tara Medical and Zerigo Health. ML is an employee of Mount Sinai Hospital, which receives research funds from AbbVie, Amgen, Arcutis, Avotres, Boehringer Ingelheim, Dermavant, Eli Lilly, Incyte, Janssen Research & Development, LLC, Ortho Dermatologics, Regeneron, and UCB, Inc; and is a consultant for Aditum Bio, Almirall, AnaptysBio, Arcutis, Aristea, Arrive Technology, Avotres Therapeutics, BioMX, Boehringer Ingelheim, Bristol Myers Squibb, Cara Therapeutics, Castle Biosciences, Corrona, Dermavant Sciences, Dr. Reddy's Laboratories, Evelo, Evommune, Facilitate International Dermatologic Education, Forte, Foundation for Research and Education in Dermatology, Helsinn, LEO Pharma, Meiji Seika Pharma, Mindera, Pfizer, and Verrica. IHH has served as an advisory board member for AbbVie; a consultant for Boehringer Ingelheim, Galderma Laboratories LP, Incyte, Pfizer, and UCB; a principal investigator for Avita, Bayer, Estée Lauder, Ferndale Laboratories, Incyte, Lenicura, L’Oréal, Pfizer, and Unigen; immediate past president of the HS Foundation; and a board member of the Global Vitiligo Foundation. PG has served as a consultant for Aclaris Therapeutics, Clarify Medical, DermaForce, Incyte, Proctor & Gamble, and Versicolor Technologies and a principal investigator for Aclaris Therapeutics, Allergan/SkinMedica, Clinuvel Pharmaceuticals, Incyte, Johnson & Johnson, L’Oreal, Merz Pharma, Pfizer, Thync Global Inc., and VT Cosmetics. ABG has received honoraria as an advisory board member and consultant for Amgen, AnaptysBio, Avotres Therapeutics, Boehringer Ingelheim, Bristol Myers Squibb, DICE Therapeutics, Eli Lilly, Janssen, Novartis, Sanofi, UCB Pharma, and Xbiotech, and has received research/educational grants from AnaptysBio, Moonlake IMmunotherapeutics, Novartis, Bristol Myers Squibb, and UCB Pharma (all paid to Mount Sinai School of Medicine). HLS has served as a consultant and/or investigator for AbbVie, Amgen, Asana, Boehringer Ingelheim, Celgene, Dermavant, Dermira, Eli Lilly and Company, Incyte, Janssen/Johnson & Johnson, Kiniksa, LEO Pharma, Sun Pharmaceuticals, UCB, and Xbiotech. AYM has received research funds and/or honoraria from AbbVie, Aclaris, Almirall, Arcutis, Biofrontera, Boehringer Ingelheim, Bristol Myers Squibb, Dermavant, Eli Lilly, Evolus, Galderma, Incyte, Janssen, Johnson & Johnson, Parexel, Pfizer, Takeda, UCB, Verrica, and Vyne. DK is an employee and shareholder of Incyte. MW and KB were employees and shareholders of Incyte at the time of the study. DR has received honoraria as a consultant and/or speaker for and/or received research support from AbbVie, Abcuro, AltruBio, Amgen, Arena, Boehringer‐Ingelheim, Bristol Myers Squibb, Celgene, Concert, CSL Behring, Dermavant, Dermira, Galderma, Incyte Corporation, Janssen, Kyowa Kirin, Lilly, Merck, Nektar, Novartis, Pfizer, RAPT, Regeneron Pharmaceuticals, Recludix, Revolo Biotherapeutics, Sanofi, Sun Pharmaceuticals, UCB, Viela Bio, and Zura Bio.