Philips Zoom NiteWhite -16% carbamide peroxide whitening gel

Formulated with a potent yet enamel-safe 16% carbamide peroxide concentration, this gel is one of the most effective at-home whitening solutions available. As the carbamide peroxide breaks down, it releases hydrogen peroxide that gently penetrates the enamel to dissolve deep-set stains caused by coffee, tea, red wine, soda, smoking, and years of everyday wear.

• Noticeably whiter teeth in as little as 7–10 days with consistent use
• Powerful enough for real results, gentle enough for regular home use
• Fresh mint flavor that feels clean and refreshing (no harsh chemical taste)
• Compatible with custom or boil-and-bite whitening trays
• Helps remove both surface and intrinsic stains

How to use: Apply a small amount of gel to your whitening tray and wear for 30–60 minutes per session during the day or overnight, depending on your sensitivity. Use for 7–14 days for best results. Visible whitening commonly appears within the first 1–2 weeks of once-daily use, but results depend heavily on individual tooth response and sensitivity tolerance. Stop if sensitivity develops, and never exceed 2 weeks of continuous daily use without a break.

DayWhite 14% vs NiteWhite — which should I use?

The two products use different chemistries: DayWhite uses hydrogen peroxide, NiteWhite uses carbamide peroxide. They serve different purposes:

• NiteWhite (carbamide peroxide) is generally better for sensitive teeth — it penetrates more slowly and deeply during longer overnight wear.
• DayWhite (hydrogen peroxide) works faster on the surface during shorter daytime sessions but tends to be more sensitivity-inducing.

It is incorrect to call either one "more efficient" — they are different chemistries with different best uses. Your dentist can advise on the right fit for your teeth.