Oregon Esthetician State Board

What does green light primarily reduce?

1. Redness

2. Hyperpigmentation

3. Wrinkles

4. Enlarged hair follicles

The correct answer is: Hyperpigmentation

The correct answer is appropriate because green light therapy is known for its effectiveness in reducing redness and soothing irritated skin, which makes it valuable in the treatment of various skin conditions, including redness caused by rosacea or other inflammatory conditions. However, the focus of green light is mainly in the realm of improving skin tone and clarity—specifically targeting discoloration such as hyperpigmentation. Green light works by targeting melanin production and helping to reduce the appearance of dark spots and uneven skin tone, which aligns with the properties associated with hyperpigmentation. This light therapy creates a calming effect while contributing to the skin's overall balance, which is crucial when addressing pigmentation issues. While the other options—redness, wrinkles, and enlarged hair follicles—are closely related to skin health and appearance, they are more associated with different light therapies or treatments. For example, red light is typically used for reducing inflammation and promoting healing, while other colors of light, such as blue, may be more effective for controlling oil production and treating acne. Therefore, in the context of targeting hyperpigmentation specifically, green light therapy stands out as the favored choice.