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What effect does yellow LED light have on the skin?

  1. Stimulates collagen production

  2. Detoxifies skin

  3. Revitalizes the skin

  4. Helps with redness and inflammation

The correct answer is: Helps with redness and inflammation

Yellow LED light helps with redness and inflammation in the skin by reducing the appearance of both issues. The yellow light has anti-inflammatory properties that can help soothe the skin and reduce redness caused by various factors such as sensitivity, rosacea, or sun damage. It also promotes circulation, which can further aid in calming down inflammation and promoting healing. While options A, B, and C can all be benefits of different LED light therapies, in this case, the correct answer is D since the question specifically asks about the effects of yellow LED light on the skin.