Methyl Perfluorobutyl Ether

Also known as: methyl-perfluorobutyl-ether

MET

6/10

Concern level

Moderate concern

Methyl Perfluorobutyl Ether is a fluorinated compound used in cosmetic formulations for its water-repellent properties. It is often included in products designed for long-lasting wear.

Pore-clogging

Non-comedogenic

Pregnancy

Caution

EWG Score

4/10

Regulatory

No data

Benefits

Moisturizing

Chemical Properties

Molecular Weight

300 g/mol

Typical Concentration

0.10% - 1.00%

CAS Number: 375-22-4

Skin Type Compatibility

dry skin4/10

oily skin6/10

sensitive skin3/10

acne prone5/10

mature skin5/10

normal skin6/10

Interactions

incompatible with: Avoid combining with strong surfactants.

Risks & Warnings

Potential environmental concerns due to persistence and bioaccumulation. May cause irritation in sensitive skin.

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