Oregon Esthetician State Board

What is the primary function of retinol in skincare?

1. To hydrate the skin

2. To stimulate cell repair and normalize skin cell generation

3. To protect against UV damage

4. To provide antibacterial effects

The correct answer is: To stimulate cell repair and normalize skin cell generation

The primary function of retinol in skincare is to stimulate cell repair and normalize skin cell generation. This ingredient is a derivative of vitamin A and plays a crucial role in promoting cellular turnover, which helps to shed dead skin cells and encourage the growth of new, healthy skin. This process is vital for addressing various skin concerns, such as fine lines, uneven texture, and hyperpigmentation, leading to a more youthful and radiant complexion. Retinol achieves these effects by speeding up the skin's natural exfoliation process, which helps to unclog pores and enhance overall skin clarity. Additionally, the stimulation of collagen production by retinol supports skin elasticity and firmness, making it a key player in anti-aging skincare. While hydration is important for skin health and can be achieved through other ingredients, retinol itself does not primarily function as a hydrator. It can sometimes cause dryness or irritation, especially when first introduced into a skincare routine, so it is often recommended to use a good moisturizer in conjunction with retinol. Moreover, retinol does not provide significant UV protection, which is mainly the role of sunscreen and other protective ingredients. Antibacterial effects are also not a primary function of retinol; instead, they can be associated with other ingredients, such as benz