A Swiss product that has a bitter taste and the appearance of clear enamel. Helps break the nail-biting habit and finger or thumb sucking. To use without or over your nail polish. For children (over 3 years old) and adults. With small children, the efficacy can be compromised as their taste buds are not fully developed and they may like the bitterness of the product.
Break the habit with Mavala Stop, the trusted solution for nail biting and thumb sucking. This clear, quick-drying treatment delivers a harmless but intensely bitter taste that discourages unwanted behavior—without damaging nails or surrounding skin.
Whether you're helping a child stop thumb sucking or trying to quit nail biting yourself, Mavala Stop offers an easy, effective solution that promotes healthier nails and a more confident appearance. Its transparent formula can be worn alone or over nail polish, making it a discreet and versatile part of your nail care routine.
Bitter-Tasting Formula: Safely discourages nail biting and thumb sucking
Invisible Finish: Dries clear, can be worn alone or over nail polish
For Adults & Children (3+ Years): Suitable for the whole family
Dermatologically Tested: Gentle on nails and skin
Easy to Apply: Just one thin coat every 2 days for visible results
Apply one coat to clean, dry nails (can be applied over nail polish).
Allow it to dry fully.
Reapply every two days, removing old layers beforehand.
Continue until the habit is broken—usually within a few weeks.
10ml (0.3 fl. oz.) – Compact and travel-friendly.
✔️ Nail biters
✔️ Thumb suckers (ages 3+)
✔️ Anyone looking to protect their nails and promote healthy growth
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.