Bitener® effectively helps to break the habit of nail biting and stimulates healthy nail growth with only one application a day.

About Bitener®

Nail biting or onychophagia (Greek meaning ‘nail-eater’) is a relatively common habit that affects people of all ages.

Chronic nail-biting or the compulsive habit hereof can have many causes such as:

  • Anxiety, stress, nervousness
  • Preoccupation
  • Boredom
  • Tiredness
  • Worrying
  • Confusion
  • Guilt
  • Shame
  • Frustration
  • Insecurity etc

Bitener® helps you to change the habit of biting nails and/or chewing cuticles. The bitter flavour, using the world bitterest substance Bitrex, discourages nail biting. Bitener® is an invisible, non-shiny, topical, nail care formulation that effectively helps to break the habit of nail biting with only daily application.

There is no cure but there is BITENER®. You can do it.


  • Easy to use once a day application
  • Accurate dosage
  • Penetrates the nail
  • Uses Bitrex, Worlds most bitter substance

STOP IT! One bit(e) at a time.


Nail biting is a bad habit, a routine of behaviour that is repeated regularly and tends to occur subconsciously.

What to do:
STEP 1: Recognize the habit
STEP 2: Willing to change the habit
STEP 3: Use Bitener®

Bitener® is based on the 21-day ‘change a habit’ research. Use Bitener® for 21 consecutive days, see the results and feel better about yourself.

For more information, please read instruction for use. Download here.