Iowa Cosmetology Practice Exam 2025 - Free Cosmetology Practice Questions and Study Guide

Question: 1 / 400

What ingredient is often used in anti-aging products?

Retinol

Retinol is a powerful derivative of vitamin A that is widely recognized for its effectiveness in anti-aging products. It works by promoting cell turnover, stimulating collagen production, and improving skin texture and tone. These actions help to reduce the appearance of fine lines, wrinkles, and age spots, making skin look younger and more vibrant.

In contrast, mineral oil and petrolatum are primarily used as occlusive agents that help to lock in moisture, but they do not possess the same anti-aging benefits as retinol. Parabens are preservatives used to prevent microbial growth in cosmetic products and do not contribute to anti-aging effects. Therefore, retinol stands out as the key ingredient commonly associated with anti-aging due to its specific skin-renewing properties.

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Mineral oil

Petrolatum

Paraben

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