A new serum aims to thicken Hair—Will it beat minoxidil?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Participant is female between 35 and 70 years of age; 2. Participant has mild to moderate hair loss, classified as Ludwig Scale I-3 to II-2; 3. Participant agrees not to use any hair products other than those required by the protocol (tonic, lacquer, gel, foam, etc.) until the end of the study; 4. Participant agrees not to change their shampoo, conditioner, or shampooing frequency and maintain a consistent hairstyle for the duration of the study; 5. Participant is willing to use only their regular, neutral mascara on their eyelashes and stop use of any other products on them for the duration of the study; 6. Participant is willing to not substantially change their current diet, medications, multivitamins or supplement, or exercise routines for the duration of the study; 7. Participant is in generally good health; 8. Participant understands and has signed an Informed Consent Form in conformance with 21 CFR Part 50: "Protection of Human Participants." Exclusion Criteria: 1. Participant is pregnant, nursing, planning a pregnancy, or not using adequate birth control; 2. Participant wears a weave, extensions or dreadlocks or any other hairstyles that would interfere with the comb test; 3. Participant exhibits irritation, tattoos, sunburn, rashes, scratches, burn marks, scarring, etc. on the test site, which might interfere with evaluations of test results; 4. Participant is participating in another clinical study; 5. Participant has used Minoxidil, Finasteride or any topical and oral supplements or other therapies (such as light therapy) known to prevent or promote hair growth within the past 3 months; 6. Participant has been taking a stable dose of thyroid medication for a period of less than 4 months; 7. Participant has been taking a stable dose of GLP-1 (to manage diabetes or weight loss); 8. Participant has been taking a stable dose of hormonal medication (testosterone/ estrogen/progesterone) for a period of less than 6 months; 9. Participant has used any devices, prescriptions or OTC drugs that are known to affect the hair growth cycle within the past 6 months; 10. Participant uses medications known to affect the hair growth cycle within the last months such as cyproterone acetate, aldactone/spironolactone, finasteride, or other 5-alpha-reductase inhibitors; 11. Participant has received treatment with sympathomimetics, antihistamines, vasoconstrictors, non-steroidal anti-inflammatory agents, and/or systemic or topical corticosteroids within one month prior to initiation of the study; 12. Participant has a history of acute or chronic dermatologic, medical, and/or physical conditions which would, in the opinion of the Principal Investigator, could influence the outcome of the study; 13. Participant is currently taking certain medications which, in the opinion of the Principal Investigator, may interfere with the study; 14. Participant has known allergies to skin treatment products or cosmetics, toiletries, and/or topical drugs; 15. Participant is currently undergoing treatment for active cancer of any kind; 16. Participant has uncontrolled diabetes.