The Effect of Cosmetic Formulations on the Appearance of Gray Hair
Unilever R&D
Summary
This study is a 6-month (180 days) single-center, double blind study designed to explore the effect of two cosmetic products on the appearance of gray hair.
Description
This is a randomised, double blind, whole head study designed to evaluate the effect of two cosmetic leave on treatments on the appearance of gray hair. This study will accept up to 190 participants per cell (380 participants overall) who meet the inclusion/exclusion criteria to ensure that at least 150 participants per cell complete the study. Participants will be randomised to receive one of the two cosmetic hair products. The products will be applied to the whole scalp using a defined protocol. If accepted onto the study, participants will be provided with marketed shampoo and conditioner…
Eligibility
- Age range
- 25–60 years
- Sex
- All
- Healthy volunteers
- No
Inclusion Criteria: * Healthy Female or Male between the ages of 25 and 60 years old, both inclusive at the time of consent. * Of any race and ethnicity. * Able to read and understand all study instructions and any other relevant study documents and understand the test procedures (in English) and able to provide a free decision about participating in the study. * Has 15 - 35% naturally gray hair * Available to come to all study visits. Exclusion Criteria: * Individuals with any relevant past or present medical history which may affect the study results or may lead to increased risk to the p…
Interventions
- OtherU82
Cosmetic scalp leave on product
- OtherZ63
Cosmetic scalp leave on product
Location
- Comprehensive Research Group, Inc.Minneapolis, Minnesota