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How does yellow LED light benefit the skin?

  1. It helps with acute wounds

  2. It stimulates hair growth

  3. It helps with redness and inflammation

  4. It reduces blemishes

The correct answer is: It helps with redness and inflammation

Yellow LED light benefits the skin by helping with redness and inflammation. This specific wavelength of light has anti-inflammatory properties, making it effective in reducing redness and calming various skin conditions such as rosacea and eczema. Yellow LED light does not typically have a direct effect on acute wounds, stimulate hair growth, or reduce blemishes, making them incorrect choices in this context.