Glow Up for Success: Conquer the 2026 Wisconsin Esthetics Exam!

Glycolic acid is widely regarded as a commonly used alpha hydroxy acid (AHA). AHAs are a group of water-soluble acids that are primarily derived from fruits and are well-known for their exfoliating properties, which help to remove dead skin cells and improve skin texture and tone. Glycolic acid, in particular, is favored for its small molecular size, allowing it to penetrate the skin effectively. This makes it ideal for use in various skincare products aimed at addressing issues such as dullness, uneven texture, and signs of aging.

Salicylic acid, although effective in skincare, is classified as a beta hydroxy acid (BHA), which is more oil-soluble and primarily used for acne treatment due to its ability to penetrate oil-laden follicles. Beta hydroxy acid refers to a category and does not specify a particular compound used as an AHA. Acetic acid, on the other hand, is not typically used in esthetic treatments for skincare; it is more commonly known as a component of vinegar. Thus, glycolic acid stands out clearly as a notable AHA commonly incorporated in various cosmetic and dermatological applications.