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Mass spectrometry confirming correct molecular weight

Another study involving female subjects found that copper peptide was more effective than vitamin C and retinoic acid in increasing collagen and reducing fine lines and wrinkles in the skin [13]

Vitamin B12 plays a key role in red blood cell formation, nervous system function, and energy metabolism

Additionally, it reduces oxidative stress, supports detoxification, and maintains overall cell health, all of which are integral to preserving skins integrity and youthful appearance

Vukojevic et al

Following treatment, the medium was removed, cells were washed 2 times with warm PBS, and fixed with 4% formaldehyde for 20 min