Why This Celeb-Favourite £215 Serum Is Seriously Worth The Splurge
triple-digit moisturisers have graced my face. However, aside from very rare exceptions, no potion has been more sophisticated than 111Skin’s Y Theorem Repair Light Serum. If you’re not familiar with 111Skin, allow me to introduce you to the British luxury brand that counts Lady Gaga, Jennifer Aniston, Cate Blanchett, and Victoria Beckham among its famous fans: Founded by American & European board-certified plastic and reconstructive surgeon Yannis Alexandrides, MD FACS, 111Skin (Dr.