They are claimed to soothe, energise, prevent wrinkles and heal cystic acne. Devotees say they can treat cancer, and mega-influencer Michelle Phan told her two million followers that burning them could even curb the coronavirus. But it's not a new wonder ingredient Cosmetics Business is talking about – it’s essential oils.
More popular than ever, new figures by Allied Market Research predict the global essential oil industry will grow 8.7% a year to US$15.1bn by 2026. But this isn’t