n a fatlike substance forming a sheath around certain nerve fibers. It is associated with volitional nervous system fibers and is believed to be related to the capacity of nerve structures for rapid transmission of nerve impulses. Various diseases, such as multiple sclerosis, can destroy these myelin wrappings.
Notable Neutrogena spokesmodels include: 1  Mischa Barton, actress (The O.C.) 2  Kristen Bell, actress (Veronica Mars, Heroes, Gossip Girl) 3  Josie Bissett, actress (Melrose Place)  Julie Bowen, actress (Ed, Lost, Boston Legal, Modern 1  Family) Jennifer Freeman, actress (My Wife & Kids)  Jennifer Garner, actress (Alias)
Kendall Jennerâs First EstÃ©e Lauder Ad is Here. The newest face of EstÃ©e Lauder, 19-year-old model Kendall Jenner, debuted her first video ad campaign for the brand yesterday.