Is Styrene Banned? EU vs US Status, Risks & Where It Hides
TL;DR: Styrene is restricted in the EU but allowed in the US (carcinogens, mutagens & reproductive toxicants).
INCI name Styrene. CAS 100-42-5.
Is Styrene banned in the EU?
| EU status | Restricted |
|---|---|
| US status | Allowed |
| Risk level | medium |
| Where it shows up | nail products, fragrance |
| CAS number | 100-42-5 |
What is Styrene?
Styrene (Styrene) is a monomer and fragrance ingredient.
Why is Styrene used in personal-care products?
It is used for its preservative, coloring, fragrance, solvent or texture-enhancing function.
Is Styrene dangerous? Documented risks
A possible carcinogen; restricted in the EU.
Products that may contain Styrene
- OPI Nail Lacquer Big Apple RedOPI
- Sally Hansen Complete Salon Manicure Nail ColorSally Hansen
- Essie Nail Polish Ballet SlippersEssie
- Essie Gel Couture Nail PolishEssie
- La Roche-Posay Anthelios Clear Skin Dry Touch Sunscreen SPF 60La Roche-Posay
- Neutrogena Ultra Sheer Dry-Touch SPF 100Neutrogena
- Coppertone SPORT SPF 50 Sunscreen LotionCoppertone
- La Roche-Posay Anthelios Melt-in Milk SPF 100La Roche-Posay
How to avoid Styrene: safer alternatives
Choose EU-compliant or 'free-from' formulations and read the INCI list. BannedPantry flags this ingredient and suggests safer swaps.
Frequently asked questions about Styrene
Is Styrene banned in the EU?
Styrene is restricted under the EU Cosmetics Regulation (1223/2009), but it is allowed in US personal-care products.
Is Styrene in US cosmetics?
Yes — Styrene can still appear in US-sold cosmetics and personal-care products because US rules are far less restrictive than the EU's.
What products contain Styrene?
Read the INCI ingredient list on the back of the package. Scan the barcode with BannedPantry to flag Styrene automatically.
Are there safer alternatives to Styrene?
Yes. Look for EU-compliant or 'free-from' formulations; BannedPantry suggests safer swaps when it detects Styrene.
Scan any product's barcode and instantly see if it contains Styrene or other ingredients banned overseas.
Scan a product free →Related carcinogens, mutagens & reproductive toxicants
Avoiding banned beauty ingredients? Check your food, too.
Sources
- EU Cosmetics Regulation Annex II (prohibited substances) — EU Cosmetics Regulation 1223/2009
- EU-banned cosmetics ingredients and US impact — RegASK
- Chemicals in cosmetics — CHEM Trust
Our scores are never influenced by brands. Last updated 6/11/2026.