Your Consumer Health Data Privacy Policy

Last updated: 17 September 2026

Hairdaze is operated by Dude Development LLC, doing business as Hairdaze. You can reach us at [email protected].

1. What consumer health data we collect

Data you enter

• Hair and scalp condition. Optional observations recorded with a daily log: greasiness, breakage, frizz, dryness, tangling, and scalp itchiness.
• Hair profile. Hair type and texture, porosity, density, scalp characteristics, length, and chemical treatment history.
• Goals and concerns. The haircare outcomes you tell us you are working toward.
• Products and routines. The haircare products you use, their ingredients, and what you do to your hair.
• Free-text notes you choose to add to a log.

Every condition observation is optional, and a question you skip is not stored as an answer of any kind.

Data derived from Apple Health

If you connect Apple Health, Hairdaze reads health data on your device and converts it there into four simple signals. Only these four are transmitted to us:

• poor_sleep — whether sleep was short
• good_sleep — whether sleep was adequate
• low_hydration — whether fluid intake was low
• sweat_load — how physically demanding the day was, from 0 to 1

Data we do not collect

We do not collect precise information about your reproductive or sexual health, gender-affirming care, diagnoses, medications, treatments, genetic data, or biometric data. We do not attempt to infer any of these from what you record.

2. Where consumer health data comes from

• Directly from you, when you complete your profile or record a log.
• From your device, where you have connected Apple Health and granted read access, converted into signals before transmission as described above.
• Generated by us, as inferences drawn from your own logs — the patterns and insights the app shows you.

We do not purchase consumer health data, and we do not obtain it from data brokers, advertising networks, or other third-party sources.

3. Why we collect it

• To provide the Services. Recording and displaying your haircare history is what the app is for.
• To produce insights for you. We analyse your own history statistically to identify patterns between what you do and how your hair responds, and show those patterns back to you.
• To provide safety-related prompts. For example, pausing suggestions that would add heat or tension when you have repeatedly logged significant breakage, and suggesting you see someone in person.
• To support you when you contact us about a problem.

We do not use consumer health data for advertising, marketing, profiling for advertising purposes, or any form of targeted content from third parties.

4. Who we share it with

We have no affiliates with whom we share consumer health data. Each recipient above is contractually bound to process data only on our instructions and may not use it for its own purposes.

We may also disclose consumer health data where required by law, or where necessary to protect against fraud or to establish, exercise, or defend legal claims.

5. We do not sell consumer health data

We do not sell consumer health data, and we will not. We have never collected a valid authorization to sell consumer health data, because we do not engage in such sales. If this ever changed, we would be required to obtain your separate, written, signed authorization first — and we would ask you plainly rather than burying it in a policy update.

We also do not share consumer health data for cross-context behavioural advertising.

6. Consent

We collect consumer health data only after you have affirmatively agreed to it, separately from your agreement to our general Terms of Service and Privacy Policy. In practice:

• You consent by choosing to record an observation. Every condition question is optional and can be skipped without consequence.
• Connecting Apple Health requires a separate, explicit permission granted through iOS.
• Sharing with the processors listed in Section 4 is necessary to provide the Services and is covered by the same consent; we obtain separate consent before any sharing that is not necessary to provide the Services.

You may withdraw consent at any time by emailing [email protected], by disconnecting Apple Health in iOS Settings › Privacy & Security › Health › Hairdaze, or by deleting your account in Profile › Privacy & Data. Withdrawal stops further collection and processing. It does not affect processing already carried out lawfully before the withdrawal.

7. Your rights

If you are a Washington or Nevada resident, you have the right to:

• Confirm whether we are collecting, sharing, or selling your consumer health data, and access that data — including a list of all third parties with whom we have shared it, and an active email address or other contact by which you can reach each of them.
• Withdraw consent to our collection and sharing of your consumer health data.
• Delete your consumer health data.

How to exercise them

Email [email protected] with “Consumer Health Data Request” in the subject line, or use the tools in Profile › Privacy & Data inside the app to export or delete your data directly.

We will respond within 45 days of receiving your request. If we need more time, we will tell you within that period and may extend by a further 45 days. There is no charge for your first two requests in any twelve-month period.

We may need to verify your identity before acting on a request, and we will use the information you provide for that purpose only. If we cannot verify your identity, we will tell you why.

What deletion means

On a verified deletion request, we delete your consumer health data from our active systems and instruct each processor listed in Section 4 to do the same. Data may persist for a limited period in encrypted backups, from which it is removed on the normal backup rotation and is not restored to active systems in the meantime.

8. How to appeal

If we decline to act on your request, we will tell you why. You may appeal by emailing [email protected] with “Consumer Health Data Appeal” in the subject line. We will respond in writing within 45 days with our decision and reasoning.

If your appeal is denied, you may submit a complaint to:

• Washington residents: the Washington State Attorney General.
• Nevada residents: the Nevada Attorney General.

9. Changes to this notice

We will update this notice when our practices change, and will indicate the change with a revised “Last updated” date. We will not apply a material change retroactively to consumer health data already collected without first obtaining your consent.