While many people associate peptides purely with metabolic improvement and bulking, some in the beauty and wellness sectors are approaching these powerhouse molecules differently, associating peptides with one of the highest-earning industries in the world. And perhaps, no single figure in show business exemplifies this better than Justin Bieber’s better half, Hailey Bieber.
In June 2022, Ms. Bieber officially stepped into the beauty mogul spotlight by launching her own skincare brand, Rhode. Named after her own middle name, the company was built with a clear mission: to deliver affordable, intentional, and high-performance skincare essentials. Instead of chasing fleeting beauty fads, Bieber designed the line specifically around achieving her signature hydrated, “glazed” skin finish.
“I love peptides,” Bieber shared, noting that the ingredient. “It’s like the base of Rhode skincare. When we launched, everything had peptides in it.”
To achieve this distinct, dewy aesthetic, Bieber anchored her entire product line to a single, scientifically proven foundational ingredient: peptides. Explaining her formulation choices, Bieber highlighted just how essential these amino acid chains are to her personal routine and her brand identity.
Why Hailey Bieber Built an Empire on Peptides
Peptides are short chains of amino acids that serve as the fundamental building blocks for essential skin proteins like collagen and elastin. As the skin ages or faces environmental damage, its natural supply of these proteins drops, leading to dryness, fine lines, and a compromised skin barrier.
Bieber’s signature “glazed donut” look relies heavily on intense hydration and a bouncy texture. By flooding the skin with topical peptides, the skin barrier is actively reinforced to lock in deep moisture and fight off environmental dryness.
Rather than just using “peptide” as a marketing buzzword, Bieber’s brand utilizes specific, targeted amino acid chains to achieve clinical results:
Peptides were certainly not a hidden secret before Rhode arrived; they have been a multi-billion-dollar cornerstone of mainstream skincare formulations for decades. Legacy cosmetic giants have long used them as standard building blocks for essential skin proteins like collagen and elastin. Bieber’s success didn’t stem from discovering or revolutionizing the science, but from executing a highly effective marketing pivot.
The Science Inside the Formulas
Looking at the actual lineup, Rhode relies on standard, highly effective cosmetic peptides to deliver its signature results. For instance, the brand’s flagship Peptide Glazing Fluid utilizes Acetyl Hexapeptide-8 (AHP-8). In the skincare world, this particular peptide is celebrated for its ability to relax surface tension, target fine lines, and give the skin a smoother, instantly plumper appearance.
For lip care, the viral Peptide Lip Treatment and Tints rely on Palmitoyl Tripeptide-1 (PT-1). This amino acid chain is fantastic for deeply locking in moisture, protecting the delicate lip barrier, and naturally supporting collagen production to keep lips looking full and hydrated throughout the day.
Even the under-eye area gets a boost with the Peptide Eye Prep and Eye Patches, which layer a blend of basic skin-repairing peptides alongside caffeine. This combination is great for increasing circulation, temporarily depuffing tired skin, and brightening up dark circles under the eyes.
Overall, Rhode’s massive commercial success highlights a broader shift in the global beauty market, which has seen the peptide sector balloon into a multi-billion-dollar juggernaut. The company was acquired by the giant e.l.f. Beauty, Inc. in May of 2025, in a massive deal valued at up to $1 billion, marking a rare, high-stakes alignment of cultural buzz and corporate scale.
Ultimately, Bieber proved that the modern beauty economy doesn’t always require groundbreaking scientific breakthroughs—sometimes, it just takes a brilliant piece of branding to make a time-tested molecule completely capture the culture.
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