Arkansas Esthetician Practice Exam

What is the source of fatty acids used in cosmetics?

1. Only plant sources

2. Only animal sources

3. Both plant and animal sources

4. Synthetic sources only

The correct answer is: Both plant and animal sources

The choice indicating that both plant and animal sources provide the fatty acids used in cosmetics is accurate. Many cosmetic formulations incorporate fatty acids derived from various sources to achieve desired properties like moisture, penetration, and texture. Plant sources of fatty acids typically include oils such as coconut oil, olive oil, and jojoba oil, which are rich in essential fatty acids that benefit the skin. Additionally, animal sources like fish oil or lanolin also contribute fatty acids, offering different benefits and qualities useful in cosmetic products. While synthetic sources of fatty acids do exist, they are not the only source utilized in the cosmetic industry. Thus, acknowledging that both natural sources—plants and animals—play a crucial role in supplying fatty acids is fundamental in understanding how cosmetics are formulated for effective skincare.