Litigation Trends to Watch: Cases Surge Over Synthetic Fragrances, ‘Limited Time Only’ Emails and AirTag Stalking by RG | Jun 12, 2026 | Law.com A new line of class actions targets businesses that use synthetic fragrances to promote a “signature smell” or mask odors. A new line of class actions targets businesses that use synthetic fragrances to promote a “signature smell” or mask odors.