skin whitening Vitamin C injection GMP certified, OEM/ODM,

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Vitamin C, also known as ascorbic acid, is an essential nutrient that keeps the body functioning, including:

• Synthesizing collagen, an important protein;
• Healing wounds;
• Repairing and maintaining cartilage, bones, and teeth;
• Functioning as an antioxidant, meaning it neutralizes free radicals—unstable molecules that can damage cells at the genetic level;