Two-thirds of women questioned said their partner was unaware of what is involved in their beauty routine.
The poll of 2,000 women found many hate the thought of their other half knowing they pluck, wax and shave.
Hair removal from toes, chin, body and bikini line remain deeply hidden secrets, the survey found.
Removing hard skin from feet and keeping a hairless upper lip are also kept private, 'the Daily Express' reported.
"No one wants their partner to think they aren't naturally beautiful," said Siobhan McDermott of feelunique.Com, which conducted the poll.
