Effective: 2026-04-21
This Privacy Policy explains how Lenva collects, uses, stores, and protects information when you use the app. Lenva is designed to help you record hairstyle photos, generate hairstyle-related tags and reference suggestions, and organize your records on a timeline.
We use a data-minimization approach. We only process information that is needed to provide app features, maintain security, improve reliability, and support your requests. We do not run advertising profiles, and we do not use your content for marketing or AI model training.
Your information may be processed in the country or region where you live and in other countries where our servers or infrastructure providers operate. This means your data may be transferred across borders for storage, processing, backup, or service delivery.
When such transfers occur, we use reasonable safeguards designed to protect your information, including contractual protections with service providers and security controls intended to limit access and use. These protections are intended to ensure that your data is handled only as instructed by us and only for the purposes described in this Policy.
Information you provide: When you add a hairstyle entry, you may upload or capture a photo, and you may choose to save the analysis result, share a record, or contact us for support. You may also provide messages if you request help.
Information generated by the app: Lenva creates hairstyle tags, descriptive notes, timestamps, and history entries based on your uploaded photo and app usage. The app also keeps track of local app settings and your remaining in-app credit balance.
Automatically collected information: We may collect technical data such as device model, operating system version, app version, crash logs, diagnostic information, and basic usage events needed to keep the app stable and secure.
Cookies and similar technologies: The core mobile app does not rely on advertising cookies. If we operate a related website or support page, we may use essential cookies or similar technologies to keep the page working, remember preferences, and improve basic functionality.
We keep information only for as long as needed for the purposes described in this Policy:
You may delete individual records or clear all local data at any time through the app, subject to any device or system limitations.
We use information to provide the core features of Lenva, including capturing or importing hairstyle photos, generating hairstyle tags and reference suggestions, saving records, showing your timeline, and maintaining your local app data.
We also use information to support security, troubleshoot problems, prevent abuse, respond to support requests, and comply with applicable law.
We do not use your information for AI training, advertising, profiling, or selling. We do not use your data to infer personal traits unrelated to hairstyle record keeping.
We may update this Privacy Policy from time to time to reflect changes in the app, legal requirements, or our data practices. If we make material changes, we will provide notice through the app, on our website, or by other reasonable means before the changes take effect.
Your continued use of Lenva after the updated Policy becomes effective means you accept the revised version, to the extent permitted by law.
Lenva uses AI only to analyze hairstyle images and generate descriptive, reference-only results. All AI processing is performed exclusively on our own internal servers.
We do not use any third-party AI services to process your data. We do not send your uploaded photos or generated content to outside AI providers. We do not allow third parties to use your data for model training, model optimization, or their own purposes.
Uploaded photos and temporary AI processing data are deleted after the analysis is completed. The output is intended for general informational use only and is not a professional diagnosis, medical opinion, or guaranteed style recommendation.
We do NOT sell, rent, or trade user data.
We do NOT share any user-uploaded or user-generated content with any third party.
We do NOT use any third-party AI services to process user data. All AI processing is performed exclusively on our own internal servers.
We may use a limited number of third-party infrastructure providers for cloud hosting, server hosting, storage, backup, or basic technical operations. These providers act solely on our behalf and under our instructions, are bound by contractual obligations to protect data security and confidentiality, and are not permitted to use your data for any purpose beyond what we instruct.
These third parties do NOT use data for advertising, user profiling, AI training, model optimization, their own purposes, redistribution, or independent access to user content.
If you choose to use your device’s sharing tools to send a record to a destination you select, that transfer happens at your direction from your device. We do not use that action to create a broader sharing program or to distribute your content on our own behalf.
Lenva is intended for users aged 17 and older. We do not knowingly collect personal information from children under 17. If we learn that we have collected information from a child under 17, we will take reasonable steps to delete it.
If you believe a minor has provided information to us, please contact us so we can review and address the issue.
Lenva does NOT perform facial recognition, biometric identification, face template creation, or face matching. We do NOT use your photos to identify who you are or to verify your identity.
Any hairstyle analysis is limited to the app’s hairstyle categorization and descriptive suggestions. We do not create biometric records or store face geometry for identification purposes. Uploaded images are deleted after processing, except for any record you choose to keep in your local history.
Depending on your location and applicable law, you may have the right to:
To exercise these rights, or to ask about your data, contact us at heaha2026@outlook.com. We may need to verify your request before responding.
We use reasonable administrative, technical, and organizational measures designed to protect information from unauthorized access, loss, misuse, alteration, or disclosure. These measures may include encryption in transit, access controls, server protections, logging, and restricted internal access.
While we work to protect your data, no method of storage or transmission is completely secure. You are responsible for protecting your device, passcode, and account access where applicable.
By downloading, installing, accessing, or using Lenva, you confirm that you have read and understood this Privacy Policy and agree to its terms. If you do not agree with this Policy, you should stop using the app.
Your continued use of the app after any update to this Policy will be treated as acceptance of the revised version, to the extent permitted by law.
For questions: heaha2026@outlook.com