Life With Emma & Pup

Why 660nm matters for joints

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I went down a rabbit hole on red light therapy for dogs before buying one. Here's what most brands won't tell you 👇 Not all red light is equal. There are 2 wavelengths that actually penetrate deep enough to reach joint tissue: 660nm and 850nm. The cheap devices on Amazon use a single wavelength or worse — wrong nm entirely. They look red but they don't do anything. 🧪 660nm works at skin level. 850nm goes deeper, into the joint capsule. You need both. LumaPet uses both, which is why it's getting recommended in vet clinics now. My senior lab is calmer and moves easier within 20 minutes of a session. ✅ 2 in 4 senior dogs get arthritis. If you're going to try red light, get one with the right wavelengths or save your money. 👉 dogspinehealth.com/jointadv1