HealthHow the Best Vitamin C Serum for Face Can Brighten Your Dull Skin?RonaldSeptember 16, 2024 by RonaldSeptember 16, 2024064 Dead skin cells, dehydration or dryness, uneven skin tone, exposure to harsh sun rays, stress, and environmental factors like central heating, cold weather, and harsh skin care products contribute to dull skin. Symptoms of...