KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
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Butylene/Ethylene/Styrene Copolymer
Korean: 부틸렌/에틸렌/스타이렌코폴리머 · CAS 66070-58-4 · Functions: viscosity controlling
KR South Korea (MFDS)
No specific rule on file.
EU European Union (CosIng)
No specific rule on file.
US United States (FDA)
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.
Frequently asked questions
Is Butylene/Ethylene/Styrene Copolymer banned in the European Union?
We found no specific rule for it in the EU's CosIng records. That is not an approval or a safety statement.
Is Butylene/Ethylene/Styrene Copolymer banned in South Korea?
We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.
Is Butylene/Ethylene/Styrene Copolymer allowed in cosmetics in the U.S.?
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
What is Butylene/Ethylene/Styrene Copolymer used for in cosmetics?
The EU's CosIng inventory lists its functions as: viscosity controlling.
What is Butylene/Ethylene/Styrene Copolymer called on Korean labels?
Korea's MFDS standard Korean name is 부틸렌/에틸렌/스타이렌코폴리머.
Which K-beauty products contain Butylene/Ethylene/Styrene Copolymer?
24+ products we checked list it, for example COSRX 5 Peptide Ceramide Barrier Comfort Lip Mask, Nooni appleberry peptide lip mask, Nooni appleblacktea kojic lip mask.
What is the CAS number of Butylene/Ethylene/Styrene Copolymer?
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
Views: 0 ChatGPT: 2 Claude: 1 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 0
Read by AI & crawlers
ChatGPT2
Claude1
Google · Gemini0
Perplexity0
Meta AI0
Amazon0
Others0
Named by what the crawler says it is; look-alikes we detect are counted under Others. Google · Gemini includes Googlebot, Google’s search crawler, whose index Google also uses for its AI features; other search engines and bots are in Others. AI visibility →