Studies, Evidence & Assessment of Efficacy
In summary
- Studies are expected to show visible differences, for example through blinded before-and-after assessments
- Scientific evidence means statistically significant differences in hair count, thickness, or length are confirmed
- Early studies provide the first real-world data and demonstrate biological efficiency and product safety
- They give guidance on optimal concentration, application frequency, and relevant target groups
- These initial findings are essential for a product's further development
Studies, Evidence & Assessment of Efficacy
What be realistically expected from a study?
What does scientific evidence mean in the context of hair and skin care?
Why are early studies important, even when they are still small?
Description
What can you realistically expect from a study? Visible differences, for example through before-and-after pictures. One method: experts receive unlabeled image pairs and identify which were taken before and which after the application.
Scientific evidence specifically means: statistically significant differences between before and after the therapy. This could be the number of hairs, their thickness, or, in the case of eyelashes, their length.
Early studies, even small ones, matter. They provide the first real-world data, demonstrate biological efficiency, and confirm product safety. They also give guidance on optimal concentration and application frequency, and reveal whether a product works particularly well for certain groups: women, older users, or people with specific hair types.
Experts
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