Hi, I have seen posts concerning the same issue as me. I have had my watch since October and after a few days my skin was slightly irritated but as I didn't wear it constantly it would clear up in between uses however, as I have used it more frequently now I have this horrible rash and cut where the watch was as well as discolouration where it was. I haven't seen what the solution was helpful on previous similar posts any help available as these photos are taken after 5 days without using the watch?
If the irritation is happening where the silicone-watchband is touching your skin, it may be your skin is reacting to either the silicone or another component of the watchband.
Also what could be if your wrist is sweatting under the watch and/or watchband it could scuff up your skin. In either case I would recommend buying a non-silicone watchband (The watchbands are standard sizes, 20mm for the smaller version and 22mm for the larger version, so you can use any generic watchband you like as long as it is the appropriate size).
Another reason for the rash could be, that you are wearing your watch to tightly. Try loosening the watchband and see what happens
The sensor would not in any way be able to burn your skin. The LEDs are far far away from being able to burn you, because if they could, your watch battery would be empty in an instant.
If your wrist is quite moist because of sweat, or water from showering/swimming it can be that the plastic of the watch rubs your skin open and that can cause irritations with a burning feeling.
In that case I would recommend,
1. to take off the watch while showering,
2. To take your watch off after exercising and dry both your wrist and your watch with a towel to get rid of the sweat,
3. To take off the watch after swimming and drying your watch and your wrist thoroughly with a towel, to make sure there is as little moisture as possible between your wrist and the watch.
What also can happen is that your wrist sweats from just wearing the watch, in that case loosen the watch a notch or two, as that helps the sweat evaporate.
And if you still think it's the sensor, you can turn off automatic heart rate and stress measuring, as that is what triggers the sensor. If you want to be completely sure you can cover the sensor with a tiny piece of non-transparent tape. (!Don't use duckt Tape or Gaffa Tape or any kind of super strong tape as the adhesives may attack the plastic of the watch body which may void your warranty!)
we take this matter seriously. Can you please send us a message from here: https://eu.community.samsung.com/t5/user/viewprofilepage/user-id/1716597 so we can investigate this?
I have been having the same issues with my Watch 3. I have tried both wrists, two different bands, and clean my watch all the time. I just recently switched over from the Apple echo system and never had this issue with my Apple Watch Series 4.
Why is this happening to me and these other people?