How to use it
What can honestly be promised for looks, in order of evidence: sleep, sun protection, more fruit and veg, then training and body composition. Natural only. Never thumb-pulling, hard-tool facial scraping, or "posture fixes your face".
How sure we are
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
S Evidence: strong. Large trials or many studies, pointing the same way.
Sources
entries 18, 28, 29, 121 below · the loudest looksmaxxing claims (growing taller from posture, reversing strong myopia, chewing to grow an adult jaw, thumb pressure on the palate) have no published trial behind them; the mouth exercises that work are for sleep apnea (396) (🔴).
Not medical, legal or financial advice.