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How to Use BioPlastic & Bioflex Labrets

Wearing a flexible labret stud, also called a push-fit backing, made out of BioPlastic or Bioflex in your cartilage piercing is very comfortable for most people because of the flat backing. However, it's very important that your labret backing fits correctly! A wearable length that's too short will irritate your piercing or cause the top to keep popping off, and a wearable length that's too long will make the top easy to lose because it gets snagged on everything.

IMPORTANT NOTE: The tiny metal post on the back side of the design is intended to be that short! The top is not a stand-alone earring, it must be used in conjunction with your Bioplastic or Bioflex backing. A push-fit labret is inserted from the back side of your piercing, and then you push the top into the hollow portion of the backing that is sticking out from the front of your piercing. Do not attempt to insert the top into your piercing first and then push the backing onto it. This is not the correct method to use, and you will most likely ruin your backing doing so.

Step #1: Try on the backing before you attempt to cut it

The beauty of this type of body jewelry is that you can cut your BioPlastic or Bioflex stud down to size if needed, which is something that can't be done with metal. But don't start cutting immediately after you have it out of the package! Instead, try the backing on first (without the top) to gauge how much length needs to be removed if any at all. You may be able to wear it as-is.


Step #2 - Is there 1mm or more excess length?

If you have more than 1mm of excess length on the post, remove it from your piercing and use clean, sharp scissors to remove a tiny amount of length. Always remove less than you think you need to, then try the backing on again to check your work. Make sure you don't remove so much plastic that the metal post on the back side of the top is unable to fully fit inside the labret.
Step #3 - Insert the top into the backing

Once your backing fits correctly, you're ready to push in the top and wear the earring! Use the thumb on your non-dominant hand to keep the disc of the labret pushed against the skin on the back side of your piercing, and the index finger of that same hand to stabilize everything (it will look like you're pinching your ear). Next, use your dominant hand to line up the tiny metal post on the back side of the design with the hollow part of the labret. Slowly, but steadily, start pushing the top into the backing while making sure you're supporting the labret with your thumb.

Make sure the top is being pushed into the backing straight. If the top is pushed in crookedly, then you will most likely ruin the backing by stretching out the hollow section which will make it too loose to hold the top securely. New to push-fit jewelry? Don't worry if you mess up the first few backings that you try! You can buy extras here: Replacement Parts

Quick tips for wearing push-fit jewelry:


  • Make sure you periodically check that the top is secure in the backing by giving it a light tug.
  • You will need to occasionally replace your labret backing when it becomes too loose to securely hold the charm. How quickly this happens will depend on how often you remove/insert the top into the backing, and also how precise you are in lining up the top with the hollow section as you push it in.
  • Don't forget to remove your jewelry and clean the metal top occasionally! If you're wearing a silver top, you can find my instruction for cleaning it here: How to Clean Sterling Silver
  • Wear push-fit jewelry at your own risk while sleeping or bathing near an open drain. You are responsible for lost tops.

Ready to remove the jewelry?

Place your non-dominant thumb and index finger in the same position that you used for inserting the jewelry to firmly hold the backing against your skin. Now, use the thumb and index finger of your other hand to pull the top out of the backing. If you're finding this difficult, then try giving the top a little twist as you pull it out.