Hydrogen Vitality is a trading name of Optimal Engineering Ltd, a company registered in Ireland under Company Number 726499 and VAT Number IE4100597KH with a registered office at Clongall, Edenderry, Co. Meath (referred to in this policy as "we", "us", or "our").
Email: info@hydrogenvitality.ie
Last updated: 16 May 2026
1. What Are Cookies?
Cookies are small text files that are placed on your device (computer, tablet, or mobile phone) when you visit a website. They are widely used to make websites work efficiently, to remember your preferences, and to provide information to website owners about how their site is being used.
Cookies may be set by the website you are visiting ("first-party cookies") or by third-party services operating on that website ("third-party cookies"). Some cookies are stored only for the duration of your browser session and are deleted when you close your browser ("session cookies"), while others remain on your device for a set period after your visit ("persistent cookies").
2. How We Use Cookies
We use cookies on the Hydrogen Vitality website to:
- Ensure the website functions correctly and securely;
- Remember your preferences and session information;
- Understand how visitors use our website so we can improve it;
- Deliver relevant marketing and advertising where you have consented to this.
3. Types of Cookies We Use
3.1 Strictly Necessary Cookies
| Cookie Name / Category | Provider | Purpose | Duration |
|---|---|---|---|
| Session cookies | Hydrogen Vitality / BigCommerce | Maintain your login session and shopping cart | Session |
| Security cookies | BigCommerce | Protect against cross-site request forgery and other security threats | Session |
| Preference cookies | BigCommerce | Remember your cookie consent choices | 12 months |
These cookies are essential for the website to function and cannot be switched off. They do not require your consent under the EU ePrivacy Directive as they are strictly necessary to provide the service you have requested.
3.2 Analytics Cookies
| Cookie Name / Category | Provider | Purpose | Duration |
|---|---|---|---|
| Analytics tracking | Google Analytics | Collect anonymised data on how visitors use the website, including pages visited, time on site, and traffic sources | Up to 26 months |
These cookies help us understand how our website is performing and where we can improve the user experience. The data collected is aggregated and anonymised — it does not identify you personally. These cookies require your consent and will only be set if you accept them via our cookie consent banner.
3.3 Marketing and Advertising Cookies
| Cookie Name / Category | Provider | Purpose | Duration |
|---|---|---|---|
| Marketing tracking | Track visits and conversions from our advertising campaigns; used to deliver relevant ads on third-party platforms | Up to 90 days |
These cookies are used to measure the effectiveness of our advertising and to show you relevant promotions on other platforms. These cookies require your explicit consent and will only be set if you actively accept them via our cookie consent banner.
4. Your Cookie Choices
4.1 Cookie Consent Banner
When you first visit our website, you will be shown a cookie consent banner. You may:
- Accept all cookies — strictly necessary, analytics, and marketing cookies will all be set;
- Reject non-essential cookies — only strictly necessary cookies will be set;
- Manage your preferences — choose individually which categories of cookies you accept.
You may update your cookie preferences at any time by clicking the "Cookie Settings" link in the footer of our website.
4.2 Browser Settings
You can also control cookies directly through your browser settings. Most browsers allow you to:
- View the cookies stored on your device and delete them;
- Block all cookies or cookies from specific websites;
- Set preferences for certain types of cookies.
Please note that disabling strictly necessary cookies may prevent the website from functioning correctly — for example, you may be unable to log in or complete a purchase.
For guidance on managing cookies in your browser, visit your browser's help section or refer to www.allaboutcookies.org.
4.3 Opting Out of Analytics
If you wish to opt out of analytics tracking specifically, you may use the opt-out tools provided by your analytics provider. For example:
- Google Analytics: https://tools.google.com/dlpage/gaoptout
5. Third-Party Cookies
Some cookies on our website are set by third-party services we use, such as payment processors, analytics providers, and advertising platforms. These third parties have their own privacy and cookie policies, and we encourage you to review them:
- BigCommerce: https://www.bigcommerce.com/legal/privacy
- Stripe: https://stripe.com/privacy
- Google Analytics: https://policies.google.com/privacy
We do not control the cookies set by these third parties and are not responsible for their content or practices.
6. Legal Basis for Cookie Use
Our use of cookies is governed by:
- EU ePrivacy Directive (2002/58/EC, as amended), implemented in Ireland by the European Communities (Electronic Communications Networks and Services) (Privacy and Electronic Communications) Regulations 2011 (SI No. 336 of 2011);
- GDPR (EU) 2016/679, in respect of cookies that process personal data.
Strictly necessary cookies are placed on the basis of our legitimate interest in providing a functioning website. All other cookies are placed on the basis of your consent, which you may withdraw at any time.
7. How Long We Retain Cookie Data
The data collected through cookies is retained in accordance with the timescales set out in Section 3 above and in our Privacy Policy. Aggregated, anonymised analytics data may be retained for longer for statistical purposes.
8. Changes to This Cookie Policy
We may update this Cookie Policy from time to time as our services or the cookies we use change. Any updates will be posted on this page with a revised "Last updated" date. Where significant changes are made, we may reset your cookie preferences so that you can review and re-confirm your choices.
9. Contact Us
If you have any questions about our use of cookies or wish to exercise your rights under GDPR in relation to data collected through cookies, please contact us at:
Email: info@hydrogenvitality.ie
You also have the right to lodge a complaint with the Irish Data Protection Commission at www.dataprotection.ie.