01Overview
Cookies and similar technologies (including pixels, SDKs, and local-storage) help us operate smilesolutionsvietnam.com, protect your browsing sessions, remember your preferences, measure how our website is used, and display relevant advertising. These technologies do not give us access to personal files or data on your device.
You can block or delete cookies at any time through your browser settings.
02What are cookies?
A cookie is a small text file stored by your browser when you visit a website. On return visits, the browser sends it back so the site can recognise you, improve performance, or recall settings.
The main types of cookies we use are:
- Session cookies — deleted when you close your browser.
- Persistent cookies — remain for a defined period (from hours up to about 400 days).
- First-party cookies — set directly by smilesolutionsvietnam.com.
- Third-party cookies — set by external services we use (for example, Meta Pixel or Google Analytics).
Certain scripts may also use HTML5 local storage or SDK tokens which function similarly to cookies for privacy purposes.
03Why we use cookies
| Purpose | Examples | Lawful basis |
|---|---|---|
| Strictly necessary | First-party session and security tokens set by smilesolutionsvietnam.com | Legitimate interests in running a secure website |
| Performance and analytics | _ga, _ga_* |
User consent or aggregated statistics |
| Advertising and attribution | _fbc, _fbp, hashed email or phone for custom audiences |
Express marketing consent |
We do not store medical data or payment details in cookies.
04Cookies and local-storage in use
| Name / pattern | Provider | Typical lifespan | Purpose |
|---|---|---|---|
_ga, _ga_<id> |
Google Analytics 4 | Up to ~400 days | Measure website traffic and page views |
_fbc |
Meta | 90 days | Ad attribution after clicking a Meta ad |
_fbp |
Meta | 90 days | Ad retargeting via Meta Pixel |
| Session / preference tokens | smilesolutionsvietnam.com | Session – 12 months | Form progress and site preferences |
Actual lifespans may vary depending on your browser and privacy settings. From time to time we may add or remove tools; if we make material changes we will update this policy.
05Managing cookies
Most browsers let you delete or block cookies and manage tracking preferences:
- Chrome / Edge: Settings → Privacy & Security → Cookies and Site Data
- Firefox: Settings → Privacy & Security → Enhanced Tracking Protection
- Safari (iOS / macOS): Settings → Safari → Block All Cookies
Blocking strictly-necessary cookies may affect website stability or trigger additional verification prompts.
You may also use:
- the Google Analytics Opt-out Add-on; or
- your Meta Ad Preferences to manage personalised ads.
06Legal basis and consent
As an Australian business, we rely on the following bases for our use of cookies:
- Legitimate interests — for essential and security cookies.
- Implied consent by continued use — for basic analytics, once you have been notified of our use of cookies and continue to use the website.
- Express consent — for advertising and remarketing cookies used to deliver personalised advertising.
Visitors from jurisdictions such as the EU or UK will be shown a banner requesting explicit opt-in consent to comply with the GDPR and ePrivacy Directive.
07Updates
We may revise this Cookie Policy to reflect operational or regulatory changes. Material updates will take effect 30 days after they are posted to this page, and where practicable we will notify opted-in users by email or SMS.
08Contact
Questions or requests relating to this Cookie Policy should be directed to:
We aim to respond within 30 days.