Question 1

Which is better, SereneLife SLISAU35BK Portable Sauna or HigherDOSE Infrared Sauna Blanket V4?

Accepted Answer

Both products scored 8.5/10 in our testing — it's a tie. Choose based on which features matter most to you.

Question 2

Is the SereneLife SLISAU35BK Portable Sauna worth it over the HigherDOSE Infrared Sauna Blanket V4?

Accepted Answer

The SereneLife SLISAU35BK Portable Sauna scores 8.5/10 while the HigherDOSE Infrared Sauna Blanket V4 scores 8.5/10. The SereneLife SLISAU35BK Portable Sauna is our "Best Overall" pick in the Best Portable Infrared Saunas 2026 category.

SereneLife SLISAU35BK Portable Sauna vs HigherDOSE Infrared Sauna Blanket V4: Which to Buy?