Hair color: How to guarantee the longevity based on reproducible tests
Chapters
Welcome
0:0Few Words About Arun Nandagiri
1:28Practical Example
2:36Factors Explaining the Variance Between Tests and Reality
3:49Parameter 1: Hair Condition
4:11Parameter 2: Number of Samples
4:50Parameter 3: Choose the Right Hair Color
5:28Parameter 4: Measuring the Initial Hair Color
6:15Parameter 5: Hair Color Batch
7:32Parameter 6: Measuring the Amount of Color Deposit
8:12Parameter 7: Washing of the Hair
9:12
Arun Nandagiri
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Free Course Details
When developing hair color products, it can be very difficult to guarantee the hair color fastness if you don't get reproducible results during testing. Learn the causes explaining why you can observe differences between the tests results and the reality.
Watch this tutorial and let our specialist Arun Nandagiri share with you a step-by-step protocol including the 7 parameters to consider that will ensure the reproducibility of your hair color testing!