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The mice were housed in the Animal Experimental Center of the Key Laboratory of Cranial Diseases under SPF conditions, with controlled environmental parameters (temperature: 2325C

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Collagen: Boosts skin elasticity, moisture, and firmness while reducing fine lines and wrinkles

114 , 115 , 116 , 117 The coupling of GRM proteins with GPCRs facilitates the transmission of signals to secondary messengers and downstream pathways, leading to slower physiological responses

These are called exogenous, meaning they come from outside the body, while endogenous antioxidants, like glutathione, are made inside the body