shrivel up like a prune

Translations
съежиться как чернослив
After spending too much time in the sun, she started to shrivel up like a prune.
После того как она провела слишком много времени на солнце, она начала съеживаться как чернослив.
Definitions
To become very wrinkled, shrunken, or dried out, often due to loss of moisture; commonly used to describe skin that has been in water for a long time or something that has withered with age or neglect.