Protein may be best known for building muscle, but in skincare, it plays an equally vital role. From the nutrients we eat to the peptides in formulations, protein helps power the strength, and resilience of our skin, showing that real skin health starts from both inside and out. Â What we know: Despite its reputation as a nutritional staple, protein plays a foundational role in skin biology and microbiome health. Research shows that: Collagen, elastin, and keratin form the sk
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