Washington Esthetician State Board Practice Exam

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What is the main function of a carbomer in skincare products?

To provide moisture
To thicken creams
To act as a surfactant
To absorb excess oil

The correct answer is: To thicken creams

The primary function of a carbomer in skincare products is to thicken creams and gels. Carbomers are a group of synthetic polymers that are utilized in formulations to create a desirable texture and viscosity. By adding thickness, they help stabilize emulsions and enhance the texture of the product, making it easier to apply and improving the overall sensory experience. This thickening ability allows for better adherence to the skin, ensuring that active ingredients are delivered effectively during use. While carbomers may indirectly influence other aspects like moisture retention or oil management due to their formulation characteristics, their main role is specifically to modify the consistency of the product. Thus, their inclusion in creams and gels plays a crucial part in the overall formulation and effectiveness of skincare products.