New Jersey Cosmetology and Hairstyling Practice Exam

What is the difference between a chemical exfoliant and a physical exfoliant?

1. A chemical exfoliant is more affordable

2. A chemical exfoliant uses acids to dissolve dead skin cells, while a physical exfoliant uses grains or scrubs

3. A physical exfoliant is safer for sensitive skin

4. A chemical exfoliant requires no application

The correct answer is: A chemical exfoliant uses acids to dissolve dead skin cells, while a physical exfoliant uses grains or scrubs

The distinction between a chemical exfoliant and a physical exfoliant lies primarily in their methods of action. A chemical exfoliant employs active ingredients, typically acids such as alpha hydroxy acids (AHAs) or beta hydroxy acids (BHAs), to dissolve the bonds that hold dead skin cells together. This process results in a smoother skin texture and promotes cell turnover without the need for manual scrubbing. In contrast, a physical exfoliant relies on abrasive particles, such as grains, scrubs, or brushes, that physically slough off dead skin cells through friction. This method can sometimes be more abrasive and may not be suitable for all skin types, particularly those with sensitivities or conditions such as rosacea or eczema. Understanding this key difference helps individuals choose the appropriate exfoliation type based on their skin concerns and sensitivity levels. In doing so, they can achieve effective exfoliation while minimizing the risk of irritation or damage to the skin's surface.