Let’s stir up some magic in the lab. Today’s hot topic is all about how to choose the right claims for your products and substantiate them correctly under the EU cosmetic products regulation and international skincare marketing laws.

We have all seen bold skincare claims splashed across packaging and social media: “Shea butter deeply heals skin” or “Clinically proven to reduce wrinkles”. They sound impressive. But are they legal? Are they backed by science? Or are they regulatory red flags waiting to derail your brand?

If you are building or expanding a cosmetic line, this post is your roadmap to navigating cosmetic claims the smart and compliant way. Because a great product deserves great marketing, and great marketing must align with the EU cosmetic products regulation and illegal cosmetic claims guidelines.

What Makes a Claim Illegal?

According to the EU cosmetic products regulation (EC) No 1223/2009 and the Common Criteria for Cosmetic Claims, a cosmetic claim becomes non compliant when it:

Misleads consumers
Suggests untrue properties
Implies medical benefits
Makes unproven comparisons
Lacks sufficient evidence

In short, if you say it, you must prove it. These illegal cosmetic claims guidelines apply not just in Europe but globally.
In the United States, the FDA strictly differentiates cosmetics from drugs. If your claim suggests changing the structure or function of the skin, you enter drug territory. In Canada, Health Canada expects all cosmetic claims to be truthful, not misleading, and consistent with permitted ingredient functions.

Another common source of non compliance under the EU cosmetic products regulation is the misuse of words such as “natural”, “organic” or “clean”. In the EU, there is no legally binding definition for natural or clean cosmetics. Claiming “100 percent natural” while using synthetically processed ingredients is considered misleading and violates illegal cosmetic claims guidelines unless properly certified. Organic claims require certification such as COSMOS or NATRUE and alignment with ISO 16128.

The Six Legal Criteria for Cosmetic Claims Under EU Law

To comply with the EU cosmetic products regulation, all cosmetic claims must meet six essential criteria:

Legal compliance
Truthfulness
Evidential support
Honesty
Fairness
Informed decision making

These criteria apply to product labels, websites, advertisements, and social media. Every claim must be accurate, substantiated, and presented in a way that does not mislead consumers.

A frequent mistake among European indie beauty brands is claiming cruelty free status. While animal testing is banned in Europe, claiming cruelty free is considered misleading under the EU cosmetic products regulation because it implies other brands are breaking the law. This is a direct example of how illegal cosmetic claims guidelines are applied in practice.

What Kind of Claims Can You Make Legally?

You can still make strong and appealing claims if you word them correctly. Examples of compliant cosmetic claims include:

“Hydrates and softens dry skin”
“Improves skin texture with continued use”
“Reduces the appearance of fine lines”
“Gently exfoliates dead skin cells”
“Formulated to support barrier function”

These statements focus on appearance and skin condition rather than treatment or cure. This language keeps your marketing aligned with illegal cosmetic claims guidelines while remaining persuasive.

Navigating Claims for Specific Product Types

Different product categories face different regulatory challenges under the EU cosmetic products regulation.
Sunscreens must comply with ISO 24444 and substantiated SPF testing. Claims such as “prevents skin cancer” are prohibited and considered medicinal.

Anti ageing products require product level substantiation. Claims like “reduces wrinkles” must be supported by consumer trials or instrumental testing. Safer alternatives include “minimises the appearance of fine lines”.

Haircare claims such as “strengthens hair” require tensile strength data, while “promotes hair growth” risks drug classification under illegal cosmetic claims guidelines.

The Risk of Unsubstantiated Claims

Claims such as “treats eczema”, “heals acne”, or “restores skin health” signal therapeutic intent and violate the EU cosmetic products regulation. These claims can trigger audits, product withdrawals, fines, and forced reclassification.

In the EU, authorities may issue recalls or market bans. In the US, the FDA may issue warning letters or require relabelling. Retailers and marketplaces may delist your product without notice. Non compliant claims do not just slow growth. They can erase months of work instantly.

How to Substantiate Claims Without a Large Budget

You do not need expensive clinical trials to comply with illegal cosmetic claims guidelines. Acceptable forms of substantiation include:

Scientific literature aligned with ingredient usage levels
Supplier data showing efficacy at your inclusion rate
Consumer perception testing with a relevant test group
Targeted laboratory testing when budget allows

All substantiation must reflect the finished product, not just individual ingredients, as required under the EU cosmetic products regulation.

Where Claim Evidence Must Be Stored

Every claim must be documented in your Product Information File or equivalent regulatory file. This includes:

The exact claim wording

Scientific references
Supplier documentation
Testing methodology and results
Regulators, retailers, or distributors may request this evidence at any time. Claim substantiation must always be audit ready under illegal cosmetic claims guidelines.
Translating Claims for Global Markets

Under the EU cosmetic products regulation, claims must be translated into the national language of each country of sale. Translations must preserve cosmetic intent and avoid medicinal interpretation. Incorrect translations still count as non compliance and fall under illegal cosmetic claims guidelines.

Canada requires bilingual English and French labelling. Precision in translation ensures global compliance and protects brand credibility.

Do Not Let Your Claims Drift

Compliance applies across every channel. Packaging, websites, social media, influencer content, and hashtags all fall under the EU cosmetic products regulation.

Even compliant wording can become illegal if paired with misleading visuals or medical imagery. Regulators assess the overall message, not isolated words. Influencers must follow the same illegal cosmetic claims guidelines as the brand itself.

Final Thoughts

Compliance builds confidence. Understanding and applying the EU cosmetic products regulation and illegal cosmetic claims guidelines is not about restricting creativity. It is about protecting your brand, earning trust, and scaling safely.

When your claims are truthful, substantiated, and compliant, your brand stands out as credible, professional, and trustworthy.
Here’s to formulas that work and brands that thrive.

From My Lab to Yours,
Rose

Want to Build Smarter & Safer Claims?

Our Global Compliance in Claims & Labelling e-book includes:

• Global claim compliance
• Claim substantiation checklists
• Copywriting guidance for compliant messaging
• Ready-to-use claim examples
• Mini guide to green & sustainability claims

👉 Download it today and write cosmetic claims with clarity, confidence, and compliance.