THEOPHYLLINE is graded F** (Banned) by Expert·ING, based on COSING regulatory data. It is restricted under Health Canada (Prohibited).

THEOPHYLLINE

Safety grade: F**

Theophylline is a naturally occurring compound found in tea, coffee, and cacao that belongs to the same family of stimulating substances as caffeine. In skincare, it's used to help improve circulation and energize tired skin.

This ingredient works as a skin tonic and conditioner by stimulating blood flow to the skin, helping to improve its appearance, reduce puffiness, and promote a more vibrant, refreshed complexion.

Graded using: COSING.

Last verified: May 26, 2026

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