Anyone researching face exercises eventually bumps into two adjacent categories: face yoga and smile training. They sound similar, often share techniques, and are sometimes marketed interchangeably. They aren't the same thing. This post is the clean comparison.
What each one actually is
Face yoga
A broad category of facial muscle exercises aimed at overall face fitness. Typical claims:
- Improved facial muscle tone
- Reduced appearance of wrinkles or sagging
- Sculpted jawline or cheekbones
- Reduced facial tension
- Lymphatic drainage / puffiness reduction
Methods include exercises for all facial muscle groups, facial massage, acupressure, breathing techniques, and sometimes tools like rollers or gua sha. It draws from yoga traditions and newer Western adaptations. Most popular face yoga apps and programmes span 10–15 minutes daily routines.
Smile training
A narrow category focused specifically on the motor pattern of a genuine (Duchenne) smile. Typical goals:
- Produce a reliable on-command smile that reads as authentic
- Engage the orbicularis oculi (eye-crinkle muscle) along with the mouth
- Improve symmetry between left and right
- Reduce tension-based smile stiffness in photos and on camera
Methods focus specifically on the smile muscles (zygomatic major, orbicularis oculi, risorius), memory-based smile cues, and often real-time feedback from a mirror or AI tool. Typical sessions are 5 minutes daily.
Side-by-side
Face yoga: broad facial fitness, anti-ageing focus, 10–15 min/day, weeks-to-months for results, weak-to-moderate evidence.
Smile training: narrow motor skill for on-command genuine smile, 5 min/day, 2–4 weeks for measurable results, stronger evidence base (rooted in 150 years of Duchenne and Ekman research).
The evidence, honestly
Face yoga
The best study to date is a 2018 Northwestern University trial that found 20 weeks of face yoga produced small but measurable improvements in perceived cheek fullness. Researchers rated women's faces as looking approximately 3 years younger on average after the programme. The study was small (n=16 completers) but well-designed.
Broader anti-ageing claims (wrinkle reversal, significant jawline sculpting) have much weaker support — mostly anecdotal or from marketing materials rather than peer-reviewed studies. A reasonable read: face yoga probably produces mild visible improvements over months of consistent practice, but it's not a replacement for medical or dermatological interventions for people wanting dramatic changes.
Smile training
The evidence base here sits on a longer foundation — Duchenne's 1862 observation that genuine smiles activate the orbicularis oculi, Ekman's FACS coding system (1978), and decades of replicated research on the reliability of the genuine-smile signal. Specific training studies are fewer, but the underlying science — that you can condition on-command expressions through repetition — is well-established in motor learning generally.
Modern smile-training apps add a measurement layer (AI scoring of AU6+AU12 activation) that wasn't available to face-yoga programmes historically. This means users can track progress numerically instead of relying on "does my smile feel better?".
Which one should you actually do?
Choose face yoga if:
- Your goal is overall facial muscle tone / mild anti-ageing
- You want broader benefits (tension relief, lymphatic drainage)
- You have longer timescales (months, not weeks)
- You're pairing it with other skincare or wellness routines
Choose smile training if:
- Your specific problem is your smile looking stiff or fake in photos
- You have a specific event coming up (wedding, interview, portraits)
- You want measurable, trackable progress
- You've noticed your smile looks mouth-only without eye engagement
Do both if:
- You have time (combined, about 15–20 minutes daily)
- You want both general facial tone improvements and on-command smile reliability
Overlap and friction
There's real overlap. Some face yoga routines include smile-specific exercises (the "Marilyn Monroe", wide smile holds, etc.). Some smile-training apps include muscle-warm-up exercises borrowed from face yoga. The line isn't rigid.
Where they can work against each other: if a face yoga routine has you holding a wide smile for long periods, that can actually train the wrong pattern — a held, mouth-only smile without the involuntary eye-crinkle. Smile training specifically avoids that pattern because it's what makes smiles look fake. If you're doing both, make sure the face-yoga smile exercises don't dominate.
Train the specific smile pattern
Duchenne measures AU6+AU12 activation in real time — the scientific definition of a genuine smile.
Get it on Google Play →The short version
Face yoga is general facial fitness. Smile training is a specific motor skill. Their goals and timescales differ. Neither replaces the other. For a photo next week, train the smile. For slow improvements to overall face tone, face yoga is reasonable. Doing both is fine if you have the time — just watch that face-yoga's long smile-holds don't reinforce the held, fake-looking pattern that smile training works to avoid.