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Crest Whitestrips with LED Light vs Regular Strips
Crest sells a premium kit that includes a handheld Blue LED Light. Is the extra $25 cost worth it?
BEST TEETH WHITENING 2026
Crest 3D Whitestrips Professional Effects
★★★★★ (4.5 out of 5)
- 🔹 20 treatments + 2 express
- 🔹 Up to 20 shades whiter
- 🔹 No-slip grip strips
- 🔹 Enamel-safe formula
✅ Pros
- ✅ Visible results in 3 days
- ✅ Dentist-grade whitening at home
- ✅ Comfortable fit
- ✅ Long-lasting
❌ Cons
- ❌ Some sensitivity during use
- ❌ Takes 20+ days full course
- Blue LED Light Function: The handheld blue light device targets hydrogen peroxide molecules to accelerate chemical breakdown during the final 10 minutes of application.
- Speed Result: Reaches maximum shade brightness slightly faster (in 10 to 14 days vs 20 days).
- Verdict: The regular Professional Effects kit produces identical final shade results by day 20. Unless you need ultra-fast results for an event next week, save your money and buy the standard kit.
🦷 Further Reading: Read our comprehensive Crest 3D Whitestrips Professional Effects Review — hydrogen peroxide safety breakdown, 20-day whitening results, Advanced Seal no-slip technology test, sensitivity tips, and dentist tray comparisons.

