Is it clean yet?

Checked Feb 1, 2026

Oreo O's

Post Oreo O's package

Still lists Blue 1, Blue 2.

Oreo O's still list Blue 1 and Blue 2 on typical U.S. boxes. Post has not posted a SKU-level dye date.

Still listed

Still listed: Blue 1, Blue 2

checked feb 2026

1 source · manufacturer ingredient list ↓

Category: Cereal
Commitment: None announced for this SKU

Timeline

Feb 1, 2026
Checked
Current manufacturer ingredient list lists Blue 1, Blue 2.

Sources

Current manufacturer ingredient list
Oreo O's current U.S. ingredient panel
Feb 1, 2026

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