Is Hyaluronic Acid Banned? EU vs US Status, Risks & Where It Hides
TL;DR: Hyaluronic Acid is allowed in the EU but allowed in the US (humectant).
INCI name HYALURONIC ACID. Also called HA. CAS 9004-61-9.
Other names: HA, Hyaluronan, Sodium Hyaluronate (salt form)
Is Hyaluronic Acid banned in the EU?
| EU status | Allowed |
|---|---|
| US status | Allowed |
| Risk level | low |
| Where it shows up | Neutrogena Hydro Boost Water Gel, The Ordinary Hyaluronic Acid 2% + B5, L'Oreal Paris Revitalift 1.5% Pure HA Serum, RoC Retinol Correxion Hyaluronic Acid Serum |
| CAS number | 9004-61-9 |
What is Hyaluronic Acid?
Hyaluronic acid (HA) is a naturally occurring polysaccharide (glycosaminoglycan) found abundantly in human skin, connective tissue, and eyes. It can hold up to 1,000 times its weight in water. In cosmetics, HA is typically produced via bacterial fermentation of Streptococcus equi.
Why is Hyaluronic Acid used in personal-care products?
Used as a powerful humectant that draws water from the environment and dermis to plump and hydrate the skin surface. Multi-molecular weight HA targets different skin layers. It also has anti-inflammatory and wound-healing properties.
Is Hyaluronic Acid dangerous? Documented risks
Hyaluronic acid is among the safest cosmetic active ingredients available. As an endogenous molecule in the human body, it is exceptionally biocompatible and essentially non-allergenic in topical form. The CIR has confirmed its cosmetic safety. No carcinogenicity, endocrine disruption, or significant adverse effects are documented. Rare reports of pore congestion exist with certain high-MW HA in oily skin, but these are minimal.
Products that may contain Hyaluronic Acid
- CeraVe Renewing SA CleanserCeraVe
- CeraVe Daily Moisturizing LotionCeraVe
- CeraVe Moisturizing CreamCeraVe
- CeraVe Hydrating Facial CleanserCeraVe
- CeraVe Hydrating Mineral Sunscreen SPF 50CeraVe
- CeraVe PM Facial Moisturizing LotionCeraVe
- The Ordinary AHA 30% + BHA 2% Peeling SolutionThe Ordinary
- L'Oréal Revitalift Pressed Night MoisturizerL'Oréal
How to avoid Hyaluronic Acid: safer alternatives
Sodium PCA, glycerin, or beta-glucan as alternative humectants; marine-derived alternatives like carrageenan or algae extracts.
Frequently asked questions about Hyaluronic Acid
Is hyaluronic acid safe for sensitive skin?
Yes. It is one of the most recommended ingredients for sensitive skin due to its near-universal biocompatibility and gentle moisturizing action.
Does hyaluronic acid work?
Yes. Multiple clinical studies confirm that topical HA (especially lower molecular weight forms) significantly increases skin hydration, reduces TEWL, and transiently improves the appearance of fine lines.
What is the difference between hyaluronic acid and sodium hyaluronate?
Sodium hyaluronate is the sodium salt of hyaluronic acid. It has a slightly smaller molecular size and is often better able to penetrate the stratum corneum. Both are used interchangeably in many formulas.
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Sources
- CIR Safety Assessment of Hyaluronic Acid — Cosmetic Ingredient Review
- Hyaluronic acid in dermatology — PubMed review — PubMed/NCBI
- EWG Skin Deep: Hyaluronic Acid — Environmental Working Group
Our scores are never influenced by brands. Last updated 6/11/2026.