Genuinely COSMOS certified hair care is a small club. Most brands that market themselves as "natural" hold no third-party certification at all, and several well-known natural brands are certified to a different standard (NATRUE), not COSMOS. Below are hair brands that hold COSMOS certification through ECOCERT or, in the UK, the Soil Association, plus how to verify any claim yourself. Certification is product-level and renewed annually, so always confirm the specific product in the certifier's public database.
Hair brands certified to the COSMOS standard
Certified through ECOCERT (COSMOS Natural or COSMOS Organic):
- NUDA: most products certified to ECOCERT COSMOS Natural; the VIVID Serum holds the higher COSMOS Organic tier. Certified formulas, with the level stated on each product page.
- Urtekram (Denmark): ECOCERT COSMOS Organic across much of its hair range.
- ZENZ Organic (Denmark): multiple shampoos and hair products carry the COSMOS Organic label.
- Lavera (Germany): certifies its hair care to the COSMOS standard.
- Florame (France): COSMOS certified hair and body products.
Certified through the Soil Association (the UK founding member of the COSMOS standard):
- Odylique: created the first Soil Association approved shampoo back in 2004; sulphate-free and silicone-free.
- Neal's Yard Remedies: a Soil Association certified organic hair care range.
- Tabitha James Kraan: organic hair care certified by the Soil Association.
This is not every certified brand in existence, and certification can change, but it is a reliable starting point of brands that hold real, verifiable COSMOS certification rather than a self-declared "natural" label.
COSMOS is not the same as NATRUE
This trips a lot of people up. Several respected German natural brands, including Logona, Sante and Weleda, are certified to the NATRUE standard, not COSMOS. NATRUE is a reputable independent natural-cosmetics standard, but it is a different scheme with different criteria. So "Weleda is certified natural" is true, but "Weleda is COSMOS certified" is not. If COSMOS specifically matters to you, check which logo a brand actually carries rather than assuming all natural certifications are interchangeable.
How to verify any certification claim yourself
The strength of COSMOS is that it is publicly verifiable. You do not have to take a brand's word for it:
- ECOCERT database: search by brand or product to confirm COSMOS certification.
- Soil Association certified directory: lists UK Soil Association Organic brands and products.
- COSMOS-standard.org: the standard's own registry and information.
Search for the specific product, not just the brand. Certification is product-level, so a brand may hold it for some products and not others. A green leaf graphic or a certification-style badge that you cannot find in any of these databases is decoration, not certification.
What COSMOS certification guarantees
Whichever certified brand you choose, COSMOS certification verifies, every year, that the product contains:
- No petroleum-derived ingredients
- No synthetic fragrances
- No silicones
- No GMOs
- No parabens
- A defined minimum of natural-origin ingredients (at least 95% for COSMOS Natural), with COSMOS Organic additionally requiring a minimum from certified organic farming
NUDA's certification
Most NUDA products are certified to the ECOCERT COSMOS Natural standard, and our VIVID Serum holds the higher COSMOS Organic tier. Each product page states its exact certification level, and the certificates are on our certifications page. Each renewal requires a fresh annual audit of the formula, ingredient sourcing, manufacturing and packaging. There is no permanent badge; it has to be earned every year.
Related reading
- Natural Hair Care Brands: Which Are Actually Certified? (2026 Comparison)
- What Does ECOCERT COSMOS Certified Actually Mean?
- Is Kérastase Natural or Clean? What the Ingredients Show
Frequently Asked Questions
Which hair care brands are actually COSMOS certified?
Brands holding COSMOS certification through ECOCERT include NUDA, Urtekram, ZENZ Organic, Lavera and Florame. In the UK, brands certified through the Soil Association (a COSMOS founding member) include Odylique, Neal's Yard Remedies and Tabitha James Kraan. Certification is product-level, so verify the specific product in the certifier's public database.
Is Weleda COSMOS certified?
No. Weleda hair care is certified to the NATRUE standard, not COSMOS. NATRUE is a reputable natural-cosmetics certification, but it is a different scheme. The same applies to Logona and Sante, which are also NATRUE certified.
Is Lavera COSMOS certified?
Lavera certifies its hair care to the COSMOS standard. As certification is product-level and can change, confirm the specific product in the ECOCERT or COSMOS database before relying on it.
What is the difference between COSMOS and NATRUE?
Both are independent natural-cosmetics standards, but they are run by different organisations with different criteria and ingredient thresholds. A brand certified to one is not automatically certified to the other. If you specifically want COSMOS, check the logo and verify it in the COSMOS or ECOCERT database rather than assuming all natural certifications are equivalent.
How do I check if a shampoo is really certified?
Look for the certifying body's logo (ECOCERT or Soil Association) with the COSMOS tier, then search the brand or product in that body's public database. If you cannot find it there, treat the on-pack claim as marketing rather than verified certification.