Your eyes get taped shut for the treatment, which enforces some much-needed chill time.
After an hour-and-a-half of blissful shut-eye, wake up with deep black, wide open lashes, and they’re like that every time you wake up for the next six weeks.
Brilliant for the beach or backpacking.
Cost: £60
Address: 16 James Street, W1U 1EG
Web: jinnylash.com
Tube: Bond Street