- Get rid of bitten nails in 3 weeks with Bitrex, registered in the Guinness Book of Records as "the most bitter substance in the world".
- Easy and precise application. The pen/marker shape makes it easy to apply.
- Only one application per day: immediately visible results with only one application every 24 hours.
- Medical nail growth specialists.
- For the whole family: Bitener can be used by children from 3 years and adults.
