Cope or Not✓ LEGIT
grooming
Teeth Whitening (Peroxide-Based)
Whiter teeth reliably improve smile attractiveness ratings; peroxide systems are safe and effective.
A
Evidence grade A
Multiple randomized controlled trials / meta-analyses
Mechanism
Carbamide/hydrogen peroxide oxidizes chromogenic compounds within enamel and dentin.
Citations
- The impact of tooth color on smile attractiveness: a systematic reviewJournal of Esthetic and Restorative Dentistry · 2017
The full read
Controlled studies show tooth color shifts of several shades with tray or strip systems, and smile esthetics strongly influence overall facial attractiveness judgments. Temporary sensitivity is the main side effect. Whitening toothpastes barely move shade; peroxide contact time is what works.
Aesthetic information, not medical advice. Verdicts reflect the cited evidence at time of writing.