My Hair Brief™
Find Hairstylists
Hair Guide
Product Guide
For Pros
Blog ↗
About
🌐
EN
▾
Login
💧 Water Project
Start Hair Brief
💧 HAO Global Hard Water Project™
Request your kit 📦
Free for participants. Testing takes about two minutes, and your city joins the map. 🗺️
Name
Email *
Country *
State / Region
City *
Postal code *
How would you like to receive your kit?
📍 Pick up locally
📮 Mail it to me
Street address *
Apt / Unit / Floor (optional)
📦 We currently ship within the US. Other countries are opening in batches — request now and we'll add you to the next round.
What does your hair struggle with? (choose any — optional)
Frizz
Dryness
Dullness
Color fading
Scalp buildup
Hair feels heavy
Perm or curl does not last
None of these
Anything we should know? (optional)
I agree that my anonymized, city-level water data may be used to build the public HAO Water Map. * (required)
HAO hair days may email me about the project and related hair-care guidance.
💧 Request My Water Kit
