Piercers must treat PP-R elastomers (BioFlex®, Bioplast), TPU, and silicone as distinct chemistries, matching each to anatomy-specific wear windows and sterilisation demands. This article explains why implant-grade PP-R outperforms TPU for long-term retainers and MRI-safe swaps, and how studios can build a material policy around ISO 10993-6 and USP Class VI data.
Infographic: Medical Elastomers for Body Jewelry 2026, TPU vs BioFlex vs Silicone comparison
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