Peptides Are Everywhere—Here’s Why Dermatologists Say They’re Worth The Hype

From serums to moisturizers, peptides have become one of skincare’s biggest buzzwords. But beyond the sleek packaging and TikTok recommendations, what do these powerhouse ingredients actually do—and are they really worth adding to your routine?

According to Pierre Simard, Ph.D., Scientific Director at Dermtek Pharma, the Canadian company behind Reversa, the answer is a resounding yes. In fact, he believes peptides are transforming the future of skincare because they work with the skin rather than simply sitting on top of it.

Unlike collagen—which is too large to penetrate the skin—peptides are tiny chains of amino acids that can pass through the skin barrier and act as biological messengers. “Peptides aren’t just a buzzword; they are mini messengers that help your skin behave like younger skin,” says Simard. Once absorbed, they signal skin cells to produce more collagen and elastin, strengthen the skin barrier and support the skin’s natural repair processes.

But there’s one misconception Simard hears all the time: that one peptide is all you need.

“It’s tempting to think that a product with more peptides is automatically better, but the reality is more nuanced,” he explains. “Most peptides found in skincare target just one biological pathway. By combining different peptides that each have complementary functions, you can address hydration, firmness, elasticity, repair, protection and radiance all at once.”

That’s the thinking behind Reversa’s Multi-PEPtide Concentrate, which combines 10 different peptide types in a single formula. Rather than focusing solely on collagen production, the serum is designed to improve multiple aspects of skin health simultaneously—from strengthening the skin barrier and boosting elasticity to helping reduce the appearance of wrinkles, pores and uneven texture.

The formula also includes one of skincare’s newest innovations: Centella asiatica exosomes. While the name may sound intimidating, Simard describes them as tiny biological messengers that deliver proteins, growth factors and other beneficial compounds directly to skin cells. Derived from plant stem cells, they’re a vegan, sustainable technology that helps accelerate repair while supporting collagen and elastin production. “Skincare scientists are excited because these exosomes mimic the skin’s natural communication system,” he says. “They’re not simply delivering ingredients—they’re delivering biological instructions.”

So where do peptides fit alongside favourites like retinol, vitamin C and niacinamide? According to Simard, they aren’t replacing these ingredients—they’re making them better.

“Peptides don’t compete with other active ingredients; they complement them,” he says. “They become the common thread linking correction, prevention and maintenance of overall skin quality.” Thanks to their gentle nature, they can be used morning and night and are generally well tolerated, even by sensitive skin.

Another surprise? Peptides do far more than soften fine lines. Research shows they can help improve hydration, reduce redness, strengthen the skin barrier, support elasticity and even improve overall skin resilience. “More than smoother skin, peptides help build healthier, more stable, brighter skin that is better equipped to face the effects of time,” says Simard.

His advice is not to wait until wrinkles become pronounced before introducing them into your routine. “The ideal time isn’t only when wrinkles have already set in,” he explains. “As soon as you begin to notice a loss of firmness, elasticity or radiance, peptides can help support the skin over time. Prevention is just as important as correction.”

As skincare science continues to evolve, Simard believes peptides are only scratching the surface of what’s possible. “We are only just beginning to grasp the full potential of these mini messengers,” he says. “The coming years will see truly intelligent skincare, where peptides become the central pillar of a deep regeneration strategy that respects the skin’s biology.”

If that’s the future of anti-aging, we’re ready to listen. —Noa Nichol