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Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Advanced Sonic Technology, Pressure Sensor, Two Intensity Settings, Smartimer & Quadpacer, Black, Model HX3681/24

Oral Care

Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Advanced Sonic Technology, Pressure Sensor, Two Intensity Settings, Smartimer & Quadpacer, Black, Model HX3681/24

Based on the evidence Atlas can verify today, here is the recommendation and why.

Atlas 7.8 Confidence 60% 39.96 USD

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ScorePassed Atlas checks
ConfidenceLimited evidence confidence (60%)
PriceBest observed price: 39.96 USD
Evidence1 checked source(s), 2 total listing(s)
Why Atlas recommends this
  • Verified rating signals are favorable at 8.8/10
  • The score is supported by 22,495 available reviews

Why this confidence rating is not higher

  • Independent retailer or source coverage is limited

Uncertainty: Independent source coverage is still limited.

Advanced evidence details

Why Atlas can publish this

  • Confirmed the product identity used for this evaluation
  • Checked one independent evidence source
  • Verified a current observed price
  • Verified usable product imagery

Auto-scored from listing evidence for 'Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Advanced Sonic Technology, Pressure Sensor, Two Intensity Settings, Smartimer & Quadpacer, Black, Model HX3681/24'. Sources: keepa; listings: 1. Price evidence: 1 listing(s), lowest observed price $39.96. Rating evidence: average normalized rating: 8.8. Review evidence: total reviews: 22495. Sales-rank evidence: best rank=166. Monthly-sold evidence: total=30000. Image evidence: present.

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Evidence & Seller Observations

Atlas separates checked commerce evidence from link-only references. Prices and availability can change.

keepa quality evidence 39.96 USD brand: Philips Sonicare | sales rank: 166 | monthly sold: 30000 | reviews: 22495 | rating: 4.4 · Price observed Jul 27, 2026
amazon link/reference Price varies Amazon Associates search link only; price and availability unavailable at this time · Price observed Jul 24, 2026

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