Principles of cosmetic evaluation — Cosmetic science, B Pharm 8th semester.
Syllabus: earlier PCI/CBCS syllabus.
Unit 4, part 1.

Chapters
00:00 Lesson opening
01:50 Principles of Cosmetic Evaluation
09:09 Cornemeter
15:09 Measurement of TEWL
20:02 Measurement of Skin Color
23:29 Measurement of Hair Tensile Strength
27:02 Measurement of Hair Combing Properties

Study this subject
https://www.youtube.com/playlist?list=PLacMvfuedRXPchzViOhPeUbaa8CKW6YSe

Next lesson: Soaps and syndet bars
https://youtu.be/vRaWSUwMz8s

Previous lesson: Analytical cosmetics: BIS specifications and testing methods
https://youtu.be/crHhamtdlco

Study resources and links
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iOS app: https://apps.apple.com/in/app/myinstitute/id1472483563
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iOS organization code: DYFFUX