Utah Master Esthetician Practice Exam

Which acid is well known for its exfoliation and anti-inflammatory benefits?

1. Glycolic Acid

2. Salicylic Acid

3. Lactic Acid

4. Citric Acid

The correct answer is: Salicylic Acid

Salicylic acid is particularly recognized for its exfoliation and anti-inflammatory benefits, making it a standout choice among the options. As a beta hydroxy acid (BHA), salicylic acid can penetrate the lipid-rich environment of the pores, which allows it to effectively dissolve the debris that can cause clogging and lead to acne. This ability to penetrate deeper into the pores differentiates it from other acids, which primarily exfoliate at the surface level. Moreover, salicylic acid is also known for its soothing properties, helping to reduce inflammation often associated with acne and other skin irritations. As a result, it not only assists in exfoliating dead skin cells but also promotes a calmer skin appearance, making it particularly beneficial for individuals with oily or acne-prone skin. In contrast, while glycolic acid, lactic acid, and citric acid also offer exfoliation and have some beneficial properties for the skin, they do not have the same level of effectiveness against acne and inflammation as salicylic acid does. Glycolic acid is an alpha hydroxy acid (AHA) that exfoliates but is primarily effective at the surface level. Lactic acid provides gentle exfoliation and hydration, while citric acid offers mild exfoliation and