Skincare queen, Hailey Bieber has dished on her anti-aging routine, citing one product, tretinoin, as one of the secrets to her famous glazed glow. But what is this prescription-based ingredient and how can we try it ourselves?
While we're clued in on hero ingredients like hyaluronic acid and squalane, the Rhode Skin founder and glazed donut nail trendsetter has just added one more to the holy grail skincare list.
