This article provides a clear and practical overview based on European legislation.
Why classification matters
In the EU, a product’s intended purpose is the key factor in determining its legal category. Misclassification can lead to serious consequences, including product withdrawal, fines, or reputational damage.
Although formulations may sometimes look similar, the claims, function, and mode of action define whether a product is:
- A cosmetic product
- A medicinal product
- A biocidal product
What is a cosmetic product?
Under Regulation (EC) No 1223/2009, a cosmetic product is defined as:
“Any substance or mixture intended to be placed in contact with the external parts of the human body (…) with a view exclusively or mainly to cleaning, perfuming, changing appearance, protecting, keeping in good condition or correcting body odours.”
Key characteristics
- External use only (skin, hair, nails, lips, teeth, etc.)
- No pharmacological, immunological, or metabolic action
- Focus on appearance, hygiene, and maintenance
- Do not require a marketing authorization but must be notified before placed on the market
Some examples are moisturizers and creams, shampoos and conditioners, makeup products or toothpaste (with cosmetic claims). It is important to note that even if a cosmetic product has beneficial effects (e.g., “soothing” or “protective”) it must not claim to treat or prevent disease.
What is a medicinal product?
Medicinal products are regulated under Directive 2001/83/EC. A product is considered medicinal if it is presented as treating or preventing disease or has a pharmacological, immunological, or metabolic action.
Key characteristics
- Therapeutic or preventive purpose
- Require scientific evidence of efficacy
- Must undergo authorization procedures before being placed on the market
Some examples are antibiotic creams, anti-inflammatory treatments or products for eczema or psoriasis (with therapeutic claims).
Special case: borderline products
A product designed for irritated skin can fall into different categories depending on how it is positioned:
- It may be considered a cosmetic if its claims are limited to effects such as “soothing” or “hydrating” the skin.
- It may be classified as a medicinal product if it claims to “treat dermatitis” or any specific medical condition.
The difference lies in the intended purpose, the claims made, and the mechanism of action—not the formulation alone.
What is a biocidal product?
Biocidal products are regulated under Regulation (EU) No 528/2012. These are products intended to destroy, deter, render harmless, or control harmful organisms.
Key characteristics
- Designed to act against microorganisms or pests
- Contain active substances with a biocidal effect
- Require authorization at EU or national level
Some examples are Disinfectants and sanitizers, antibacterial surface sprays and preservatives used to control microbial growth.
Special case: hand sanitizers
Hand sanitizers are a common source of confusion as they can be classified as cosmetics or biocidal products depending on their claims:
- If marketed for cleaning or hygiene, they may be cosmetics
- If marketed as killing bacteria or viruses, they are typically biocidal products
How to distinguish between categories
To determine the correct classification, manufacturers should assess:
- Intended purpose – What is the product supposed to do?
- Claims – What is communicated on packaging, labeling, and advertising?
- Mode of action – Does it act physically (cosmetic) or biologically (medicinal/biocidal)?
- Target – Is it acting on an healthy human body, on harmful organisms or targeting a disease?
Key Differences at a Glance
| Cosmetic | Medicinal Product | Biocide | |
|---|---|---|---|
| Main purpose | Beautify / maintain | Treat or prevent disease | Control harmful organisms |
| Mode of action | Non-pharmacological | Pharmacological / biological | Action against organisms |
| Claims allowed | Cosmetic benefits | Therapeutic claims | Antimicrobial / pesticidal claims |
| Regulatory pathway | Notification (CPNP) | Marketing authorization | Product authorization (BPR) |
Cosmetic vs Medicinal vs Biocide products
Correct classification is not just a regulatory formality—it is a strategic decision that affects product development, timelines, costs, and market access.
For manufacturers, the safest approach is to:
- Define the intended use early in development
- Align claims with the appropriate regulatory framework
- When in doubt, consult competent authorities or regulatory experts
A clear understanding of the distinctions between cosmetic, medicinal, and biocidal products helps ensure compliance while building consumer trust and maintaining a strong position in the European market.
