An estimated 75 percent of Americans are _________. 

_____________ percent of all communication is unconscious.

Asha, a beauty professional, smokes while on her work breaks. What would be considered a good practice for her before attending to a client?

_________ are needed for many body functions, including hormones, sebum production, and absorption of vitamins.

In the mid- to late twentieth century, all of the following advances in cosmetology technology were introduced EXCEPT __________. 

Ancient Egyptians were the first civilization to infuse essential oils from for use as perfumes and for purification purposes. 

______________ is necessary for virtually every function of the cells and body.

____________, the child of former enslaved people, was a pioneer in the modern African American hair care and cosmetics industry. 

All disinfectants are _____________ in the presence of oils, lotions, creams, and dust.

Some ethical characteristics to which one should aspire include respect, courtesy, honesty, and _____________.