Colorado Esthetician Written Practice Exam 2026 – Comprehensive All-in-One Guide for Exam Success!

Alpha Hydroxy Acids (AHA) are known to be fruit/sugar-based and are milder compared to Beta Hydroxy Acids (BHA). AHAs mainly affect the epidermis layers of the skin, making them effective for exfoliation and improving the skin's texture and appearance. On the other hand, Beta Hydroxy Acids (BHA) like Salicylic Acid can penetrate deeper into the skin and are often recommended for targeting acne and oily skin concerns. Hydrochloric Acids are not typically used in skincare due to their strong acidic nature.