I asked my dad, a chemist working in plastic additives his whole career, and he doubts if dye color would affect properties like softness, but it’s possible. My guess is it’s a placebo effect. But the placebo effect is a real effect, so if a color feels better, go with it.
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Works fine with all of these, especially pink! Love a neon yellow string on a pink yoyo!
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Neon yellow club over here
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