Bacteria that cause infection and disease are called:

Ingredients added to a product to enhance the effectiveness of a preservative are called:

All of thr following statements about compounds are true EXCEPT:

41. All of the following statements about emollients are true EXCEPT:

Of the following machines, which acts like a miniature vacuum cleaner to help in deep pore cleansing?

Which of the following is the toughest layer of the epidermis?

Which of the following descriptions is NOT an example of a product’s feature?

Collagen makes up approximately what percentage of the dermis?

Of the following systems, which is the physical foundation of the body?

29. Which cosmetic product helps cleanse the skin further while properly balancing the pH?