I hope you're well stocked.I had the same problem. Excess washing and sanitising (downfall if the job) and after about a year of flaky nails my beautician recommended “Nailtiques Formula 2 Plus”. There’s a few variations of Nailtiques and she said it’s important to get the 2 Plus. I have so say, it’s a miracle worker. I had tried all the recommended things on the market and this won hands down. Literally 2 or 3 applications and you will see a massive difference. It’s expensive for the tiny bottle but oh so worth it.
This, from the internet:
"The much-loved Nailtiques range was unfortunately discontinued. Manufactured in Florida USA, the plant used in the Nailtiques formulas was destroyed in a hurricane in the spring of 2019."
It sounds just what I want, I hope they bring it back.