I have used RADIUS Floss for many years, but my recent purchase looks different. It has no roughness and is more waxy.
We switched our Cranberry and Mint Floss from a round floss to a soft sponge floss in 2012 because it was softer, did not cut the gums and could fit better between tight teeth. An alternative option is to try our Natural Silk Floss which is a soft round floss.
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The RADIUS Customer Service Team