Health influencer marketing: navigating regulations and performance

The global healthcare social media marketing market reached $14.7 billion in 2025, with an annual growth rate of 13.5% projected through 2035 (Future Market Insights 2025). 70% of healthcare marketers now integrate influencer marketing into their overall strategy (Digital Silk 2025). 63% of consumers trust health information shared by influencers, and 82% say they follow health advice from a creator they consider credible (Digital Silk 2025).

These numbers explain the sector's appeal. They also explain why regulators watch it closely. In France, the June 9, 2023 law established a strict framework with specific prohibitions for health products. French consumer protection authorities (DGCCRF) inspected 287 influencers in 2024, finding violations in 46% of cases (ADEME, Responsible Influence Guide, 2026 edition). For dietary supplements, one-third of the 270 companies inspected in 2023 showed irregularities in their claims, resulting in 71 injunctions and 25 criminal proceedings (DGCCRF 2024).

In the US, the FDA expanded enforcement to cover influencer partnerships in 2026, issuing guidance that brands must maintain documentation of all influencer agreements, pre-approved scripts, and monitoring processes (FDA 2026). The FTC also broadened its interpretation to include educational content that shapes consumer perceptions, even when it does not explicitly name a drug (FTC 2026).

Health influence is not a space for improvisation. Every product category follows different rules, and confusing them is costly.

France's June 9, 2023 law introduced absolute prohibitions for influencers. It is forbidden to promote through commercial influence: cosmetic and aesthetic surgery, prescription medications, nicotine products, therapeutic abstention, and certain financial products like cryptocurrencies without AMF approval (Légifrance, law no. 2023-451). Penalties reach up to 2 years of imprisonment and €300,000 in fines, with co-responsibility between advertiser, influencer, and agent.

Beyond these prohibitions, each health product category follows its own rules.

Over-the-counter (OTC) medications

Advertising for non-prescription medications is allowed but under strict conditions. In France, every promotional content must receive a "visa de publicité" from the ANSM (National Agency for the Safety of Medicines). Mandatory legal mentions must appear in the content. In practice, this makes traditional influencer campaigns very complex for this segment: every post, story, or video must be submitted for pre-approval.

In the US, the FDA treats influencer content as branded content subject to full ISI (Important Safety Information) requirements. Content that names a drug and makes efficacy claims is considered promotional material (Improvado 2026).

Dietary supplements

Dietary supplements can be promoted through influence, but claims are regulated by EU Regulation No. 1924/2006 in Europe and FTC guidelines in the US. Only authorized nutritional and health claims may be used. Any therapeutic claim (stating that a supplement cures or treats a disease) is prohibited. The French DGCCRF found unauthorized therapeutic claims and unjustified claims in one-third of the companies it inspected in 2023 (DGCCRF 2024).

Medical devices

Medical devices (measurement tools, diagnostic instruments, certain aesthetic devices) can be promoted but must carry CE marking and comply with the specific advertising rules of EU Regulation 2017/745. Claims must match the validated uses of the certification.

Dermocosmetics

This is the most accessible segment for influencer marketing in the health space. Dermocosmetic products (dermatological skincare sold in pharmacies and parapharmacies) fall under EU Cosmetics Regulation No. 1223/2009, not under pharmaceutical law. Brands can communicate product benefits as long as they do not claim therapeutic effects. A moisturizer can say it "reduces the feeling of skin dryness." It cannot say it "treats eczema." This distinction is fundamental.

The French dermocosmetics market is worth €3.5 billion and has grown over 20% in recent years (Xerfi 2025). Online sales are growing 9 times faster than in-store, and social media is transforming how consumers discover these products (McKinsey, State of Beauty 2026).

Pharma OTC: rigour first

For over-the-counter medications, influence is limited to highly controlled formats. Brands favour partnerships with pharmacists or healthcare professionals whose content is submitted for regulatory approval before publication. Reach is limited, but credibility is at its peak. The key: anticipate approval timelines (often several weeks) and integrate mandatory legal mentions from the creative brief stage.

Supplements and wellness: educate without promising

This is the segment where overreach is most common. 60% of US consumers have tried a skincare product recommended by an influencer (Amra & Elma 2026). This prescriptive power works for supplements too, but the temptation to make excessive claims is strong.

The winning strategy relies on education: explaining ingredients, sharing routines, showing daily use, without ever crossing into therapeutic claims. Lifestyle and wellness creators are the best-suited profiles, provided their content is validated by the brand's regulatory team before publication.

Dermocosmetics: science as a trust lever

This is the most dynamic segment. "Dermfluencers" and "skinfluencers" (dermatologists and skincare experts on social media) have between 500,000 and 10 million followers and function as credibility gatekeepers for product launches (5W Research, Beauty Creator Playbook 2026). A recommendation from a dermatologist-influencer drives both consumer purchase and retailer confidence.

Peptide and microbiome products grew a combined 18% in 2026, driven by evidence-based influence campaigns (Clarkston Consulting 2026). Dermocosmetics succeed in influence when they combine clinical data rigour with creator-led education. Educational content (ingredient breakdowns, mechanism-of-action explanations, formula comparisons) outperforms purely lifestyle content.

For our expertise in beauty influence and the codes that work in this sector, see our beauty influencer marketing agency page.

Public health and prevention: influence serving the public interest

Prevention campaigns (vaccination, screening, mental health, nutrition) engage patient advocates and healthcare professionals to carry public interest messages. These campaigns largely escape commercial advertising restrictions since they promote behaviours, not products. The stakes are the creator's credibility and the accuracy of the scientific message.

Health influence draws on four categories of creators, each with distinct strengths and constraints.

Healthcare professionals (HCPs)

Doctors, pharmacists, dermatologists, nutritionists. Their credibility is unmatched: 82% of patients say they follow health advice from a trusted influencer (Digital Silk 2025). But their availability is limited and their professional ethics add a layer of constraints. Dermatologists are the most active on social media, with the dermfluencer phenomenon driving a surge in dermatology career interest (Yahoo Finance 2025). The relationship with a dermfluencer is a 12-to-18-month build, not a quarterly campaign (5W Research, Beauty Creator Playbook 2026).

Patient advocates

People living with a chronic condition who share their daily experience. Their authenticity is unparalleled. For prevention or destigmatization campaigns, this is the most powerful profile. In dermocosmetics, creators who document their skin journey (acne, rosacea, eczema) generate very high engagement because their audience identifies with their lived experience.

Dermfluencers and skinfluencers

Skincare experts who are not necessarily doctors: aestheticians, trained enthusiasts, specialized beauty journalists. Their strength: education. They break down formulas, compare active ingredients, test products over time. This is the dominant profile in dermocosmetics, where evidence and education matter more than entertainment.

Lifestyle creators with a health angle

Generalist influencers who integrate health and wellness into a broader universe (fitness, parenting, nutrition). Their reach is higher, but their scientific credibility is lower. They work well for dietary supplements and mainstream wellness routines, less so for technical dermocosmetics.

Profile choice depends on the product and objective. For a dermatological skincare launch, a mix of dermfluencers and specialized micro-influencers will outperform a macro lifestyle influencer. For casting fundamentals, our guide on micro-influencers vs macro-influencers details selection criteria by segment.

Using therapeutic claims for a cosmetic product

A dermocosmetic product is not a medication. Saying that a product "heals," "cures," or "treats" a condition constitutes a prohibited therapeutic claim for a cosmetic. The gap between "soothes skin prone to redness" and "treats rosacea" may seem narrow, but it separates compliance from penalty.

Skipping content validation

For pharma OTC, every piece of content must pass through ANSM approval in France (or FDA review in the US). For dietary supplements, claims must appear on the European authorized list. For dermocosmetics, claims must be substantiated by clinical data or testing. Whatever the category, influencer content must be validated before publication by the brand's regulatory team. Build this step into the influencer brief from the start.

Confusing regulatory categories

A dietary supplement is not a medication. A dermocosmetic product is not a medical device. Each category has its own rules for claims and communication. Confusing them exposes the brand to sanctions from the DGCCRF (supplements), the ANSM (medications), or the DGCCRF again (misleading cosmetics). In the US, the line between cosmetics and drugs is determined by the product's intended use: the same ingredient can be a cosmetic or a drug depending on how it is marketed (FDA).

Neglecting pharmacovigilance

Even for a cosmetic, adverse effects reported by consumers (including through comments under a sponsored post) must be flagged. In pharma, this obligation is even stricter. The influencer must understand their role in the pharmacovigilance chain and know that any adverse effect report must be forwarded to the brand.

At Matriochka Influences, we have worked for several years with brands that operate at the frontier between beauty and health. Eucerin (Beiersdorf) and Kenvue (Neutrogena, formerly Johnson & Johnson Consumer Health) are dermocosmetic brands: their products are sold in pharmacies, formulated with clinically tested active ingredients, but they fall under cosmetic regulations, not pharmaceutical ones. This distinction is essential when building an influence strategy.

For Neutrogena, we designed and activated the Collagen Bank campaign, combining an experiential pop-up at Paris's Gare Saint-Lazare, a presence at the EADV dermatology congress, and an influencer activation, for a total of over 20 million impressions. For Kenvue, we build campaigns that place scientific evidence at the centre of the creator message.

Our approach rests on three pillars tailored to health and dermocosmetic brands. First: selecting credible creators. We prioritize dermfluencers, pharmacist-creators, and skincare experts whose content is built on evidence, not entertainment. Second: integrating regulatory validation into the process. The brief, script, and final content go through a compliance review before publication. Third: measuring impact beyond engagement. In health, the key indicator is not just the like: it is message retention, traffic to points of sale (pharmacy, e-commerce), and purchase intent. For more on this topic, see our guide on how to measure the ROI of an influencer campaign.

Our Next-Gen Influence method (Data, Idea, Ecosystem, Reach, KPI) adapts to the constraints of the health sector. The Data phase integrates regulatory compliance analysis of creators. The Idea phase develops concepts that educate before they promote. The Ecosystem phase builds a profile mix (HCPs, dermfluencers, micro-creators) tailored to the product and its regulatory category.

To learn more about how we support health and dermocosmetic brands, get in touch with our team.

Contact
elodie.monchicourt@mtrchk.com / charlie.trouillebout@mtrchk.com
mtrchk.com

Not for prescription drugs: their promotion through commercial influence is prohibited by the French law of June 9, 2023. Over-the-counter medicines are possible but tightly controlled: every piece of content requires an advertising visa from the ANSM (the French medicines agency) before publication, with mandatory legal notices.

Only nutrition and health claims authorised under EU Regulation EC No 1924/2006 may be used. Any therapeutic claim — suggesting a supplement cures or treats a disease — is prohibited. Creator content must be validated by the brand's regulatory team before publication.

A dermatologist or skincare expert active on social media, who breaks down formulas and active ingredients with an evidence-based approach. Their credibility makes them the most powerful prescribers in dermocosmetics — and the relationship is built over 12 to 18 months, not a one-off campaign.

Up to 2 years in prison and a €300,000 fine for breaches of the French influence law, with shared liability between the advertiser, the influencer and the agency. Sector regulators add their own sanctions (DGCCRF for supplements and cosmetics, ANSM for medicines) — plus the reputational risk, often the most costly.

Last updated: July 2026