Guide
How to Improve Your Smile
From free (technique) to costly (veneers)—five categories of smile improvement ranked by cost-to-impact. Most people skip the cheapest and highest-ROI option.
Improvements ranked by cost and impact
Five categories of smile improvement, in rough order of cost-to-impact ratio:
Smile technique (free)
Engage your eyes (Duchenne smile), practice smiling with genuine intent rather than a posed teeth-show. Rate your natural smile vs. your posed smile—most people perform worse on the posed version.
Whitening ($15–200)
Carbamide peroxide trays or strips noticeably improve tooth color within 2 weeks. Moderate attractiveness improvement for low cost. Professional treatment costs more but works faster.
Orthodontics ($2,000–8,000)
Addresses alignment—significant for severe cases, minimal impact for minor crowding. Clear aligner (Invisalign/similar) treatment typically takes 6–18 months.
Botox for gummy smile ($200–500, repeat every 3–4 months)
Injections into the upper lip levator muscle reduce gum exposure during smiling. Effective and reversible, but requires maintenance.
Veneers / Composites ($500–2,500 per tooth)
Permanently alter shape, size, and color. High impact when done well; irreversible. Best for significant shape or color issues that whitening doesn't address.
The photography angle
Even without any of the above: lighting and angle dramatically change how a smile photographs. Natural side lighting (window to your left or right) creates dimension that flat frontal lighting removes. Shoot at eye level or slightly above—from below, the upper lip covers more teeth and gum show increases.
Frequently asked
How can I make my smile more attractive?
The highest-ROI interventions: whiten teeth (immediate, inexpensive, moderate improvement), practice the Duchenne smile (eyes engaged—rates significantly higher than a mouth-only smile), address gummy smile if applicable (Botox is temporary but fast), and fix severe alignment if present (braces or Invisalign).
Does teeth whitening improve attractiveness?
Yes—whiter teeth are consistently associated with higher attractiveness ratings. At-home whitening (carbamide peroxide 10–15% trays or strip-based systems) is effective and inexpensive. Professional in-office whitening provides faster results. Results last 6–12 months depending on diet.
What is a Duchenne smile and why does it matter?
A Duchenne smile involves the orbicularis oculi muscle—the muscle around the eye that creates eye crinkle (crow's feet) during a genuine smile. Duchenne smiles rate as more attractive, genuine, and trustworthy than non-Duchenne (mouth-only) smiles. You can practice engaging your eyes during smiling.
Does lip filler improve smile attractiveness?
Lip filler can improve the lip frame dimension of smile attractiveness—fuller lips that curve upward at the corners of a fuller lip frame rate higher than thin, straight lip lines. However, overfilling reduces attractiveness. Subtle enhancement targeting the Cupid's bow and corners is more effective than volume-only augmentation.
Keep reading
How symmetric is my face?
What AI measures, what normal scores look like, and how much symmetry actually affects attractiveness.
Face symmetry and attractiveness
The research shows a modest link—here's what it actually says and what outperforms symmetry.
How to look younger
The four signals that read as age and the priority order for addressing each.
This page is general information about facial aesthetics terminology, not medical or cosmetic advice. Scores from our tools are AI-generated estimates for entertainment and self-reflection.