Go | Smile 2

For the price of a premium coffee, you can walk into any room with 2-3 shades of extra brightness. In a world that judges you in the first seven seconds of meeting you, that is a bargain.

Hold your lips away from your teeth with your fingers or a cheap plastic retractor. Saliva is the enemy of instant whitening. If the gel gets wet before it sets, it fails. smile 2 go

| Feature | In-Office Laser | Drugstore Strips | | | :--- | :--- | :--- | :--- | | Time to results | 1 hour | 14 days | 15 minutes | | Cost | $300–$1,500 | $20–$50 | $10–$40 | | Portability | None | Moderate | High (fits in a pocket) | | Sensitivity risk | High | Moderate | Low (usually peroxide-free) | | Application skill | Professional | Medium | Beginner (click-and-go) | For the price of a premium coffee, you