Chemistry of Cosmo Pt 1
14:07
Chemistry of Cosmetology Part 2
17:28
Chemistry of Perms Vs. Relaxers Review
15:16
A pergunta de matemática de nível A MAIS LOUCA de todos os tempos | Prêmio de extensão avançada
21:24
Understanding Lightener
12:52
The Brains Behind Beauty: The Science of Cosmetic Chemistry
23:00
The Chemistry of Haircolor Review
18:14
Basic Chemistry Concepts Part I
18:49