Science-backed guides
The Appearance Playbook
Evidence-based guides on smiles, photo confidence, face aging, and AI appearance tools.

Smile Science
Why Your Eyes Look Dead in Photos (And How to Fix It)
June 20267 min read

Smile Science
Types of Smiles and What They Mean: A Science-Backed Guide
June 202612 min read

Smile Science
Why Smiling Is Contagious: The Neuroscience of Facial Mimicry
June 1, 20266 min read

Smile Science
Are Gap Teeth Attractive? The Science and Culture Behind Diastema Beauty
June 1, 20266 min read

Smile Science
The Science of How Smiling Affects Confidence and First Impressions
May 20266 min read

Smile Science
Why Eye Contact Is the Most Powerful Attractiveness Signal
May 20266 min read

Smile Science
Are Smile Lines Attractive or Do They Make You Look Older?
May 20266 min read

Smile Science
Open Mouth vs Closed Mouth Smile: Which One Looks Better in Photos?
May 20266 min read

Smile Science
Resting Face & First Impressions: What Science Says About Your Default Expression
May 20266 min read