Edition of September 15, 2026
Juice Jury

E-liquid reviews that name the flaws

The lead story

Why does e-liquid turn dark brown in the bottle?

Nicotine oxidation is why e-liquid turns dark brown in the bottle. We read the forced-degradation data on what heat, light and oxidation do to nicotine.


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Contains nicotine. Nicotine is an addictive chemical. For adults of legal purchase age only — 21+ in the United States, 18+ in most other markets. Not for non-smokers or former smokers.