Review Summary
- The product is effective in helping children break habits like nail-biting and thumb-sucking.
- It is suitable for children from ages 3 to 15, making it a versatile option.
- The product's taste is described as bitter, which may be a deterrent for some users.
- It remains on nails for about three days, reducing the need for frequent application.
- Some customers have reported not receiving the product as expected.










Scientifique Nail Hardener, 5ml

















































