Is WD-40 basically fish oil?

Written by Editorial Team | Last Updated: August 2026

WD-40 is entirely distinct from fish oil, possessing a chemical formulation built upon petroleum-based aliphatic hydrocarbons, mineral oils, and specialized volatile solvents designed to displace moisture and prevent corrosion. The persistent urban legend claiming that the multi-use product is manufactured primarily from fish oil is completely false, as corporate technical disclosures confirm it contains zero marine animal derivatives.

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