— OF·27 Hair Science · Let's look at your hair
Question 1 of 5

Where do you notice it most?

Look in daylight, at your usual parting.

Question 2 of 5

Did anything change around the time you noticed it?

Hair often reflects what the body has been through. Pick the closest.

Question 3 of 5

How long have you noticed it?

Roughly is fine.

Question 4 of 5

How does your scalp feel between washes?

This decides whether the weekly scalp treatment belongs in your routine.

Question 5 of 5

How would you like to run it?

The study we cite measured at 12 weeks. Both protocols use the same serum.

Building your protocol

Reading your answers
Matching the study cohort
Choosing your protocol
— Your protocol is ready

Where should we send it?

You get your protocol with the reasons behind it, the study cited in full, and the Notes in reading order. No daily emails.

One email with your protocol, then the Notes, one at a time. Unsubscribe in one click.

— Your protocol

Built from what you told us.

OF·27 is a cosmetic and is not intended to diagnose, treat, cure or prevent any disease. This is a product recommendation, not medical advice. Individual results vary.