Longevity Moves onto the Beauty Shelf

For 15 years, the nutricosmetics category has rested on a stable ingredient set and a simple thesis: oral bioactives support skin, hair, and nail outcomes. The thesis worked, and it still does. Euromonitor reported that beauty-positioned supplements spanning collagen, anti-aging, the gut-skin connection, hair and nail health, and cellulite appearance, grew four percentage points faster than the broader consumer health market in 2025. Global beauty supplements are projected to grow from $3.96 billion in 2025 to $5.76 billion by 2030, a 7.8% CAGR, and Mintel finds 52% of US collagen-peptide products still lead with skin, hair, and nail benefits.

But a significant change is underway: the ingredient list has widened, and the category is expanding with it. A space that once revolved around collagen and biotin now has an added layer of cellular-repair ingredients carried over from longevity, and a new set of consumer expectations too. Some products are sold as beauty supplements with longevity benefits attached; others as longevity supplements with beauty benefits attached. Both compete for the same wallet, and both tap into a growing base of consumers looking for evidence-backed solutions to healthy aging.

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The New Ingredient Layer

A set of familiar names has stocked shelves for years: collagen, biotin, hyaluronic acid, ceramides, carotenoids, and vitamins A, C, D, E, and B-complex. But the category is being reshaped by ingredients from outside beauty, backed by proof instead of promises.

Spermidine anchors the group, alongside NAD+ precursors (NMN and NR), urolithin A, creatine, and bioengineered vegan collagen-boosters. All emerged from longevity, cellular-health, and sports-nutrition research. Their headline claims center on autophagy, mitochondrial repair, cellular energy, and healthy aging; the secondary, newer claims are bringing them to the beauty shelf: skin elasticity, hair density, scalp health, and radiance.

Two other shifts are widening the field. The first is the gut, with postbiotics targeting the gut-skin axis starting to earn real clinical backing. The second is collagen growing up, from a simple amino-acid source into bioactive, fibroblast-signaling peptides, precision-fermented bio-identical collagen “shots,” and keratin “beauty peptides” formulated for hair.

The beauty supplement category has absorbed a new layer of ingredients and consumer expectations. The space has grown, and the brands competing for the same wallet share now come from beauty, supplement, and longevity origins.

How We Got Here

Nutricosmetics took shape in the 2000s. Japan’s FOSHU and Korea’s Health Functional Food regulatory frameworks built the Asian foundation. Western markets built on dermatology research linking collagen, vitamins, and antioxidants to skin and hair outcomes.

By the mid-2010s, the structure was stable: capsules and tablets as dominant formats, skin care at roughly 60% of category revenue, hair care around 20%, anchored by the original ingredient set. Asia-Pacific accounted for 43-47% of global revenue in 2024. Shiseido, FANCL, Amway, Nestlé Health Science, and L’Oréal anchored the category; Vital Proteins, HUM, The Nue Co., and Bend Beauty led the emerging-brand layer in the West.

The category grew steadily on these foundations. Mintel’s 2026 Global Beauty and Personal Care Predictions, released in October 2025, named “Metabolic Beauty” as one of three core predictions for the year ahead, framing the shift from beauty as a marketing story to beauty as a science story intersecting with health and driven by nutrition.

“K-beauty topped $2 billion in U.S. sales in 2025, with viral hero products discovered on TikTok Shop and Amazon and then pulled fast into mass retail. That engine is now aimed at the ingestible side.“

Strategic Capital is Moving

Today, the category is being treated as a serious business by strategic capital. In October 2025, L’Oréal agreed to acquire Kering’s beauty division for €4 billion, and as part of the deal the two companies announced a joint venture explicitly exploring wellness and longevity opportunities.

Earlier moves laid the groundwork. Nestlé acquired Vital Proteins in 2020 and placed it inside Nestlé Health Science alongside its other supplement brands (Garden of Life, Pure Encapsulations, Persona), positioning collagen as fundamental to wellness and longevity across skin, hair, nails, bones, and joints rather than a pure beauty asset.

Unilever acquired Nutrafol in 2022 and placed it inside its Health and Wellbeing Collective (alongside Liquid I.V., OLLY, SmartyPants, Onnit) within the broader Beauty and Wellbeing business group. Turnover has more than doubled since acquisition; the brand has 3,000+ physician partnerships, and it is now the #1 dermatologist-recommended hair growth supplement in the U.S.

Shiseido has moved on multiple fronts. In February 2024 it launched Shiseido Beauty Wellness, its dedicated inner beauty brand, in partnership with Tsumura and Kagome, with Asia expansion from 2025; it also launched LIFT Ventures (an early-stage beauty wellness investment fund) in early 2024.

Enter the Combination Products

The clearest sign of the category expanding is the rise of combination products: a single pill or routine that promises both healthy aging and visible beauty results at once.

Codeage, Innerbody Labs, and Young Goose all sell pairings built on this idea, marketed on cellular repair with better-looking skin as the payoff. Longevity-focused retailers like L Cell and MASI Longevity Science stock them right next to classic anti-aging supplements.

The established beauty brands, by contrast, have mostly stuck with what they know: Vital Proteins, GNC, and Vida Glow built their 2024-2025 launches around collagen rather than the new molecules. The exception is Korea, where brands like Amorepacific’s Vital Beautie already sell across both worlds, beauty and longevity, inside a single line.

The same logic now reaches the gut, with postbiotics paired with collagen and skin nutrients and sold on the gut-skin link as the benefit. As the choices pile up, some brands are leaning on personalization, using simple at-home tests to match each customer to the right mix rather than betting on a single ingredient.

Four Bets for the Next 24 Months

Four positions follow from this expanded category view.

Bet 1: Korean wellness is the cross-ingredient threat to Western incumbents.

K-beauty topped $2 billion in U.S. sales in 2025, with viral hero products discovered on TikTok Shop and Amazon and then pulled fast into mass retail. That engine is now aimed at the ingestible side.

The May 2026 Olive Young U.S. launch and beauty retail’s growing willingness to stock ingestibles (Ulta’s Wellness Shop carrying inner-beauty brands) are removing the friction that once kept these products off those shelves.

In what we can call “beauty from within,” Korean wellness can be expected to compress the trend-to-shelf cycle the way it already did in skin care. That speed is what threatens Western incumbents: anchored to a narrow ingredient set and split across separate beauty and health divisions, they move at the pace of line extensions and distribution deals, not trend cycles. Their likely response is rational and partial: following visible formats, buying their way onto the shelf, and defending legacy products while the cycle moves on.

The deeper question sits one layer below the virality. Korean brands arrive with an “inside-out” formulation logic and a retail architecture that puts topical and ingestible under one roof. If consumers start treating skin care and supplements as one routine, the threat shifts: it’s an integrated relationship that incumbents haven’t yet assembled and are structurally slow to build. That’s the part worth watching, though it still rides on data we don’t yet have: repeat-purchase, integrated-basket lifetime value. For now it’s the upside case, not the headline.

Bet 2: Women’s health is where the expanded ingredient set scales fastest.

Women’s health is the strongest demonstration of the expanded category working at scale. Visible changes in hair, skin, and nails are one expression of deeper hormonal shifts, and they appear across several life stages of estrogen change, from postpartum to perimenopause and menopause.

The concern over appearance is what often brings the consumer in, but it sits on top of real physiology, and that grounding is what makes the category defensible.

Scaling comes from two fronts at once:

On product: more clinically backed SKUs, systems formulations that combine multiple ingredients rather than a single active, and new hero ingredients substantiated specifically in perimenopausal and menopausal populations, not in “women” as a generic group.

On distribution: two channels do the heavy lifting. The first is direct-to-consumer and influencer-led selling, which lets these brands reach women quickly and cheaply. The second is adoption by big, trusted names on retail shelves and, increasingly, inside clinical and menopause-telehealth protocols.

Bet 3: Men are entering the category through a health-forward framing.

Men have historically been a smaller part of the nutricosmetics base because the beauty framing held limited appeal. Function changes that; it gives men permission to buy products that happen to deliver aesthetic benefits.

Andropause, a gradual decline in testosterone, is the most visible case. The hormonal dip from around age 40 brings energy, muscle, and hair changes. U.K. brand Health & Him built a dedicated range around it, formulated for vitality. The lead-in is health; better skin and hair arrive as a byproduct.

Bet 4: GLP-1 is a major and fast-growing demand vector.

GLP-1 use has created a population losing facial volume, hair and skin elasticity at scale, with dermatological literature on Ozempic-related effects emerging from 2023 onward.

Data presented by Rousselot at Vitafoods Europe 2025 showed GLP-1-labeled supplement launches going from fewer than 100 in 2023 to over 3,000 in 2024. Most of those launches focus on muscle preservation and digestive support, but a subset is explicitly positioned on appearance.

Replenza, launched in 2024, markets skin elasticity alongside muscle recovery and digestive health. Nutrafol now flags GLP-1 compatibility directly on its product pages, signaling that traditional beauty-positioned supplements increasingly recognize the GLP-1 user as part of their audience.

And it’s still early. Only a small share of the people who could be on GLP-1 drugs are taking them today. As use keeps climbing, the pool of consumers dealing with these side effects, and the demand for products that address them, should expand significantly.

The Window is Open

The story of this category in 2026 is expansion. The original beauty supplement ingredient set is still growing, and a layer of longevity-origin ingredients now sits next to it on the consumer’s shelf, carrying beauty benefits as part of their consumer proposition.

For anyone evaluating this space, the strategic implication is clear. The competitive perimeter has widened, and the relevant ingredient set, brands, and consumer indications now include the longevity layer.

Treating beauty supplements as a closed category defined by the 2015 ingredient lineup means missing where the growth is actually happening. The four bets in this piece (Korean wellness, women’s health, men via a health framing, GLP-1) are all key positions inside the expanded category.

About the Author: Dr. Gali Artzi is Partner and CTO at PeakBridge, a $260M venture capital firm investing across food, nutrition and health, with 36+ portfolio companies from seed to Series B. She holds a PhD in immunology and spent 15 years leading R&D, innovation, and commercialization at global ingredient companies, taking products from lab to market. She has worked on transactions from both sides of the table, including large-scale M&A and an IPO, and sits on several PeakBridge portfolio company boards. For more information visit https://peakbridge.vc/.