Quote Originally Posted by UKRob View Post
To my mind, once horn starts to de-laminate there is nothing that will make it attach again, certainly soaking in oil will help to prevent further loss but the the existing areas needs to be sanded out and polished up. Effectively, nail buffing is doing exactly that - it's an abrasive no matter how mild.
+1 to that. It isn't a miracle cure and won't "fix" de-lamination. It helps prevent it getting worse, and makes the rest of it healthier (or as healthy as a chunk of dead horn can be!) as well as looking much better.