Hismileteeth.com (Domain) Investigation Report
Generated on Feb 10, 2026
Why we think so?
HiSmileteeth.com sells the HiSmile teeth whitening kit, claimed as a leading home teeth whitening product with about 513,000 monthly visitors, mainly from the United States. The site uses trusted e-commerce and payment technologies, including Shopify and major payment services like PayPal and Apple Pay. It has a valid SSL certificate issued in 2026 and ranks #88,495 globally. The brand has active social media presence on Facebook, Instagram, Twitter, TikTok, and LinkedIn. However, despite technical legitimacy, HiSmile faces significant regulatory scrutiny and customer complaints, including a U.S. class action lawsuit for false advertising of whitening efficacy and misleading claims about instant brightening and sensitivity-free use. Customer reviews show mixed feedback, praising fun flavors and some quality aspects but highlighting issues like ineffectiveness, poor taste, slow shipping, and misleading marketing. No safety or phishing risks are detected on the website itself.
Risk Insights
Legitimate Website with Secure Infrastructure
- Valid SSL certificate and secure DNS
- Uses established e-commerce technology
- Not blacklisted for phishing or malware
Strong Online Presence and Traffic
- Over 500K monthly visits
- Main traffic from US and key English-speaking countries
- Active on major social platforms
Customer and Legal Concerns
- Class action lawsuit for false advertising
- Mixed user reviews with effectiveness complaints
- Regulatory scrutiny on marketing claims
Category Scores
Red Flags & Warnings
- Class action lawsuit and regulatory referrals due to false advertising and misleading claims about product effectiveness.
- Mixed customer reviews with recurring complaints about ineffectiveness and deceptive marketing practices.
Detailed Checks & Insights
0-100 Scale
Website Legitimacy and Security
Score: 90
Website Legitimacy and Security
"This indicates the site is secure and technically trustworthy."
Reason: Website has valid SSL, reputable registrar, and stable DNS setup with no phishing or malware alerts.
Traffic and Popularity
Score: 80
Traffic and Popularity
"Suggests an established brand with real user engagement."
Reason: High monthly visits (~513K) primarily from US, with multiple traffic sources and social media presence.
Brand and Trademark Registration
Score: 85
Brand and Trademark Registration
"Supports authenticity of the business identity."
Reason: No trademark conflicts detected, consistent brand presence.
Technical Infrastructure
Score: 90
Technical Infrastructure
"Indicates reliable online commerce capabilities."
Reason: Use of well-known e-commerce and payment platforms, such as Shopify and PayPal.
Safety and Blacklist Status
Score: 95
Safety and Blacklist Status
"No signs of technical or security risks for visitors."
Reason: No blacklist or phishing reports; Google Safe Browsing clean.
Customer Feedback and Reputation
Score: 45
Customer Feedback and Reputation
"Reflects potential issues with customer satisfaction and product quality."
Reason: User reviews are mixed with many complaints about product effectiveness and customer service delays.
Legal and Regulatory Concerns
Score: 25
Legal and Regulatory Concerns
"Indicates significant risks related to business practices and trustworthiness."
Reason: Active class action lawsuit and regulatory referrals for false advertising raise serious concerns.
Your Next Steps
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1
Exercise caution before purchasing HiSmile products; review independent customer feedback thoroughly.
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2
Monitor regulatory updates and legal proceedings related to HiSmile's advertising claims.
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3
Verify product claims through trusted dental professionals before use.
Key Evidence & Citations
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HiSmile Customer Reviews and Complaints
⤷ Aggregated user feedback highlights mixed experiences with product effectiveness and service.
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Class Action Lawsuit Against HiSmile
⤷ Details on ongoing false advertising lawsuit filed in 2024 in California.
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National Advertising Division Refers HiSmile to FTC
⤷ Regulatory scrutiny over unsubstantiated whitening claims and product advertising.
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Technology Stack and Website Info from SimilarTech
⤷ Confirms technology used for site operation and payment processing.
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Web Traffic and Rank Data from SimilarWeb
⤷ Traffic source breakdown and user engagement metrics.
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