Do posture correctors actually work?

Reviewer consensus is mixed. Verified-purchase reviewers and some r/Posture commenters report less neck and upper-back pain on days they wear one, particularly at a desk. However, physical therapists posting on YouTube and r/PostureTipsGuide repeatedly note that braces don't strengthen the postural muscles, and long-term wear can let those muscles weaken further. The honest takeaway from the sources we read: useful as a short-term reminder, not a cure.