KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
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Polyisobutene
Korean: 폴리아이소부텐 · Functions: binding, film forming, 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.
Our noteA synthetic polymer that thickens and adds a smooth film; common in lip and makeup products.
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
What is Polyisobutene?
A synthetic polymer that thickens and adds a smooth film; common in lip and makeup products.
Is Polyisobutene 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 Polyisobutene 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 Polyisobutene 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 Polyisobutene used for in cosmetics?
The EU's CosIng inventory lists its functions as: binding, film forming, viscosity controlling.
What is Polyisobutene called on Korean labels?
Korea's MFDS standard Korean name is 폴리아이소부텐.
Which K-beauty products contain Polyisobutene?
24+ products we checked list it, for example Dr.Althea 0.1 Gentle Retinol Serum, Haruharu Wonder 5 Ceramide Barrier Moisturizing Cream / Unscented, Unleashia A by Unleashia Pillow Kiss Lip Pencil.
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 →