Why is diabetes listed as a contraindication for waxing and massage?

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The reason this is a concern is that diabetes can cause peripheral neuropathy, which dulls or removes sensation in the skin. With waxing or during a massage, a client who can’t feel heat, pain, or irritation may not notice skin damage, burns, or excessive pressure. That unawareness allows injury to worsen before it’s noticed, making the procedure riskier. While impaired healing and higher infection risk in diabetes are also valid concerns, the immediate safety issue in these treatments is the decreased ability to sense discomfort or injury.