Emmi-dent
Germany 
Emmi-dent Metallic Ultrasonic Toothbrush
🏢 Brand Headquarters
Langen, Hesse, Germany🏭 Factory / Manufacturing
Germany👑 Company Ownership
Germany
📊 Production Ratio
Made in Germany
✅ Verified Models (NOT in China)
Metallic, Slim, Platinum, Platinum CAM, Platinum Care
❌ Watch Out (Made in China Models)
No current China-made model identified in the researched core ultrasonic range
⚠️ The “Designed In” Trap / Labeling Alert
No China-origin ambiguity found for the current Amazon US listing. Amazon currently identifies Emmi Ultrasonic GmbH Germany as manufacturer and lists Germany as country of origin. The brand's own current site also presents its ultrasonic toothbrush line as Made in Germany.
🛡️ NOT MADE IN CHINA | MADE IN GERMANY 
Oral-B
USA
Oral-B iO Series 3 Limited Deep Clean Rechargeable Electric Toothbrush
🏢 Brand Headquarters
Cincinnati, Ohio, USA / Procter & Gamble🏭 Factory / Manufacturing
USA for the specific Amazon US iO3 listing verified here👑 Company Ownership
USA
📊 Production Ratio
Current Amazon.com listing identifies country of origin as USA for this specific iO3 ASIN
✅ Verified Models (NOT in China)
iO Series 3 Limited Deep Clean (verified ASIN), with other iO variants requiring model/market-specific verification
❌ Watch Out (Made in China Models)
Not concluded at brand level
⚠️ The “Designed In” Trap / Labeling Alert
Do not generalize this finding to all Oral-B products. Other Oral-B lines and markets can show mixed origins; this entry is specifically tied to the current Amazon US iO3 listing and its stated country of origin.
🛡️ NOT MADE IN CHINA | MADE IN USA
Curaprox
Switzerland
Curaprox Hydrosonic Easy Electric Toothbrush
🏢 Brand Headquarters
Kriens, Switzerland🏭 Factory / Manufacturing
Switzerland for Hydrosonic Easy according to the current Amazon marketplace listing👑 Company Ownership
Switzerland
📊 Production Ratio
Current Amazon South Africa listing identifies the Hydrosonic Easy as made in Switzerland
✅ Verified Models (NOT in China)
Hydrosonic Easy (current Amazon marketplace evidence), plus Swiss-made brush-head production across the Hydrosonic range
❌ Watch Out (Made in China Models)
Hydrosonic Pro was not included in this non-China list because older technical documentation identifies its handle/charger/travel case as China while the brush heads are Swiss-made.
⚠️ The “Designed In” Trap / Labeling Alert
Curaprox is a Swiss dental-care brand, but country of origin is still checked at product level. The current Amazon marketplace listing explicitly gives Switzerland as the country of origin for Hydrosonic Easy.
🛡️ NOT MADE IN CHINA | MADE IN SWITZERLAND
AquaSonic
China
AquaSonic Black Series Ultra Whitening Toothbrush
🏢 Brand Headquarters
California, USA🏭 Factory / Manufacturing
China👑 Company Ownership
USA
📊 Production Ratio
China-made current Black Series product
✅ Verified Models (NOT in China)
None identified in the core current Black Series research
❌ Watch Out (Made in China Models)
Black Series and related AquaSonic electric toothbrushes
⚠️ The “Designed In” Trap / Labeling Alert
American-brand appearance can be misleading: the current Black Series has been specifically reported as designed and made in China.
⚠️ MANUFACTURED IN CHINA
BURST
China
BURST Original Sonic Electric Toothbrush
🏢 Brand Headquarters
USA🏭 Factory / Manufacturing
China👑 Company Ownership
USA
📊 Production Ratio
China-made for the researched Original Sonic model
✅ Verified Models (NOT in China)
Not identified in the researched current electric range
❌ Watch Out (Made in China Models)
Original Sonic and related current BURST electric toothbrush range
⚠️ The “Designed In” Trap / Labeling Alert
US oral-care branding and Amazon presence should not be confused with US manufacturing; current product information is consistent with China production.
⚠️ MANUFACTURED IN CHINA
Colgate
China
hum by Colgate Smart Electric Toothbrush
🏢 Brand Headquarters
New York, USA🏭 Factory / Manufacturing
China for the researched hum models👑 Company Ownership
USA
📊 Production Ratio
China-made for the researched hum model numbers
✅ Verified Models (NOT in China)
No current non-China hum model was verified in this research
❌ Watch Out (Made in China Models)
hum Smart Electric Toothbrush models including HB-CN08118A / ASIN B0981D2WM1 and related black variants
⚠️ The “Designed In” Trap / Labeling Alert
Colgate is a major US-owned oral-care brand, but the researched hum electric toothbrush models are listed with China as country of origin.
⚠️ MANUFACTURED IN CHINA
