Nail Polish - Tosylamide Formaldehyde Resin does it also cause brittleness of the nails ?

Hi BeautyBrains, I noticed when I use old nail polish containing Formaldehyde I get brittle, yellowing and peeling nails even when I use light colours.

Does the ingredient Tosylamide Formaldehyde Resin also cause this ? Also is Tosylamide the same thing and are these chemicals safe ? 



  • Formaldehyde makes nail brittles because it reacts with protein chains and causes them to link together. In Tosylamide Formaldehyde Resin the formaldehyde is already "used up" because it is reacted so it shouldn't cause that same problem. 

    The resin is considered safe to use but formaldehyde can cause health problems at high levels. 
  • Hi Randy, thank you so much for this - I nearly ended up throwing out most of my nail polish and money. You have saved me money !
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