$259.96$429.99
Philips Sonicare 9900 Prestige Electric Toothbrush, 5 Brush Heads, Blue
Upgrade pick in our review of electric Toothbrushes for Whitening
Buy on Amazon−23%
Product photo from AmazonASIN B0FKB289VY · COSLUS
Budget pick · Electric Toothbrushes for Whitening
COSLUS C30 Electric Toothbrush for Adults, Ultra-Clean, 1PC, Black
“The COSLUS Sonic Electric Toothbrush is a genuinely surprising value at $12.99.”
$9.99List $12.99−23%save $3
23% below Amazon's list price. No end time published, so it can change at any time.
Prime members only
In stock at Amazon.com · price checked Sep 24, 8:08 AM PT · re-checked through the day
Paid link. Prices, badges and end times come from Amazon and can change at any time; the price shown on Amazon at checkout is the one that applies.
Why it's worth it
The magnetic levitation motor delivers real sonic power, and IPX7 waterproofing suggests build quality above the typical ultra-budget bracket. For a travel spare or a gift for someone reluctant to invest in electric brushing, it performs well beyond its price.
From our review of 11 electric toothbrushes for whitening, by Eleanor Vance, Health & Beauty Editor
What we like
- +$12.99 makes electric brushing accessible at any budget level
- +5 cleaning modes and 3 intensity levels for customizable brushing
- +IPX7 waterproof rating—safe for shower use and thorough rinsing
- +Magnetic levitation motor rated for 1,000+ hours of use
What to know
- –COSLUS is an unfamiliar brand with no independent clinical studies
- –No pressure sensor to prevent overbrushing
- –Brush head ecosystem limited compared to established brands
How it ranks in our lineup
Every product from The Best Electric Toothbrushes for Whitening, by Eleanor Vance, with today's Amazon price. Deals are only ever on products from this list.
| # | Product | Our award | Price now | Deal |
|---|---|---|---|---|
| 1 | Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads | Top pick | $264.99 | −20% today |
| 2 | Philips Sonicare DiamondClean Prestige 9900 Rechargeable | Upgrade pick | $259.96 | −40% today |
| 3 | Oral-B iO Series 7s Rechargeable Toothbrush with 2 Handles | Also great | $349.99 | no deal today |
| 4 | Philips Sonicare ProtectiveClean 5100 Electric Rechargeable | Runner-up | $91.00 | no deal today |
| 5 | Colgate Total Battery Powered Electric Toothbrush, 1 Pack | — | $12.99 | no deal today |
| 6 | Oclean X Pro Digital Set Smart Sonic Electric Toothbrush | — | $89.99 | no deal today |
| 7 | Philips Sonicare 4100 Series Electric Toothbrush | Budget pick | $47.99 | no deal today |
| 8 | Oral-B Pro 1000 Rechargeable Electric Toothbrush, Black | — | $49.90 | no deal today |
| 9 | Burst Original Sonic Electric Toothbrush for Adults (Black) | — | $59.99 | no deal today |
| 10 | Waterpik Sonic-Fusion 2.0 Professional Flossing Electric | — | $179.99 | −10% today |
| 11 | COSLUS Sonic Electric Toothbrush for Adults: 3 IntensitiesThis deal | — | $9.99 | −23% today |
Deal details
- Deal badge
- Below list price
- Ends
- No end time published
- Who can buy
- Prime members
- Savings basis
- 23% below Amazon's list price of $12.99
- Availability
- In stock
- Price checked
- Sep 24, 8:08 AM PT, refreshed through the day
- Reader interest
- New to our readers this month
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