In an interview with The Mirror, Kate's Dermatologist Dr. Emma Patel says the princess has been using Trilogy Certified Organic Rosehip Oil to "reduce fine lines, boost collagen and keep the skin ...

The glimpses into Kate Middleton’s life, let alone cosmetics products, are very rare, but they do happen—according to the brand, she’s been using Trilogy’s Rosehip Oil for a decade. The only thing ...