Iowa Cosmetology Practice Exam 2026 - Free Cosmetology Practice Questions and Study Guide

Harsh surfactants should be avoided in products for sensitive skin because they are known to strip the skin of its natural oils and disrupt the skin barrier. This can lead to irritation, redness, and discomfort, which individuals with sensitive skin are particularly prone to experience. Sensitive skin requires gentle care that maintains its natural moisture and protects its barrier function.

While essential oils, moisturizers, and natural butters can sometimes be irritating to certain individuals, they are not inherently harmful for all sensitive skin types. In fact, moisturizers and natural butters can be beneficial by providing hydration and nourishment. Essential oils can have therapeutic properties, but they should be used cautiously and may need to be diluted properly. Overall, eliminating harsh surfactants is crucial in formulating products for sensitive skin to ensure safety and comfort.