Should You Be Protein-Maxxing Your Skincare?

Reported by Harper's Bazaar.

The protein-obsessed fitness crowd has moved beyond their shaker bottles. After months of influencers touting dietary protein as a cure-all for muscle tone, hair growth, and skin clarity, beauty brands have caught on—and now your vanity is being invaded by peptide serums and protein-packed moisturizers. The question everyone's asking: Do you actually need to protein-max your skincare, or is this just another trend that conflates wellness culture with dermatology?

According to Harper's Bazaar, the short answer is complicated. Protein in skincare isn't new—it's been hiding in your products under different names (collagen, elastin, amino acids, peptides) for years. What's changed is the narrative. Dermatologist Dendy Engelman frames it as an extension of broader longevity obsession: people are already maximizing protein for muscle definition and weight management, two visible markers of aging, so it makes sense they'd apply the same logic to their skin. Celebrity plastic surgeon Jason B. Diamond puts it bluntly: you've probably been using topical proteins forever without realizing it.

What Protein Actually Does for Your Face

Different protein forms work differently. Larger molecules like collagen, elastin, and keratin sit on the skin's surface, hydrating and reducing water loss—think plumping effect without penetration. Peptides, smaller amino acid fragments, are the new darling because they can actually signal your skin to produce more collagen and elastin, making them effective for firmness and fine lines. Dermatologist Nazanin Saedi emphasizes that protein-based products are particularly useful if you're dry or over 40, but they're not exclusive to that demographic. Anyone can benefit from enhanced barrier function and radiance.

The catch? More isn't better. Using multiple protein-heavy products simultaneously can backfire into dryness and irritation—a phenomenon experts call protein overload. Engelman recommends a balanced routine rather than an all-in approach. One quality protein serum or moisturizer will do the work; layering them is overkill. Protein-maxxing your skincare might feel aligned with wellness trends, but your skin responds better to restraint than excess.

Read the original at Harper's Bazaar.