Early Firstbeat HRV devices used highly adhesive leads that could cause skin irritation and pigmentation. — Whalespan
Early Firstbeat HRV devices used highly adhesive leads that could cause skin irritation and pigmentation.
⚠ High risk
We can't find evidence that holds up here. Proponents are reasoning from mechanism or analogy rather than direct human data, and the most credible skeptics raise objections we can't dismiss.
✕NOTSUPPORTED
⚠
High-risk intervention — consult a physician before acting.Drug-drug interactions, dose-dependence, and screening contraindications apply.
“the stickiness of their leads was so profound I have like leather skin like nothing can hurt me I was like completely tore my skin off I was like for a year two years after I started using it I was deep pigmented where have those leads”