and Selection Questions and Answers
Mineral oil is also used as a _____________ , which coats the skin and reduces friction.
lubricant
Plant oils contain ____________ _____________ which are beneficial for skin that does not
produce enough sebum. fatty acids
Plant oils vary in fatty acid content and heaviness. _____________ oil and ____________ oil are
the heaviest of the plant oils. coconut and palm
The lighter of the plant oils used in skin care products and less comedogenic come from
safflower, sunflower, canola, and jojoba.
Hundreds of emollients exist, coming from natural sources like oils or fatty material or are
synthesized in a _________________________ Laboratory
, ______________ ____________ are lubricant ingredients derived from plant oils or animal fats.
They are acidic but are not irritating to the skin. Fatty Acids
Some of the more common fatty acids found in skin care products are oleic acid, stearic
acid and caprylic acid
_____________ ____________ are fatty acids that have been exposed to hydrogen. They are not
drying, have a wax like consistency and are used as emollients or spreading agents. Fatty
alcohols
Cetyl alcohol, lauryl alcohol and stearyl alcohol are all examples of fatty alcohols
____________ _____________ are produced from combining fatty acids and fatty alcohols.
Fatty esters
Fatty esters are easily recognized on labels because they almost always end in "ate"
isopropyl myristate, isopropyl palmitate, and glyderyl stearate are common __________
____________ . Fatty esters