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Did You Know Benzoates Lurk in Fizzy Drinks?

Benzoate preservatives are common in fizzy drinks and squashes, and they are a recognised aggravator of chronic hives. Why acidic drinks are the usual hiding place, and the easy swaps.

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The quick version

Benzoate preservatives (E210 to E213) work best in acidic liquids, and fizzy drinks, squashes and bottled juices are about as acidic as everyday food gets. That is why soft drinks are one of the most common hiding places for benzoates, which are a recognised aggravator of chronic hives.

Why it matters

A daily squash or fizzy drink is easy to overlook as a trigger, it feels incidental. But for someone whose hives keep returning, a benzoate-heavy drink habit can be a steady contributor sitting in plain sight.

What to do

Check drink labels for benzoic acid, sodium benzoate, or E210 to E213. Plenty of drinks skip them, water with fresh fruit, freshly squeezed juice, or “no preservative” ranges (still check the label, as many cordials do contain them). Swapping the daily drink is a simple, low-cost experiment. See our benzoate-free soft drinks list.

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Check it against your own list

A free database like Open Food Facts and Fig give broad ingredient information rather than a check against your own skin. A personal-list app like ClearaScan lets you save benzoates once and scan any product, food, medication or cosmetic, against your ingredient guard list, flagging only yours. Its Reaction Journal lets you tie a flare back to a drink, a shared Care Circle lets family scan for you, and a Trusted Products list keeps what you have cleared. It is currently in early access. (Disclosure: our editor co-founded ClearaScan, and we are not paid to mention the others.)

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A note on this content. The Sensitive Skin Lab publishes general educational information, not medical advice. If you suspect you have an allergy or sensitivity, consult a qualified dermatologist or allergist. Product formulations and labels change without notice, so always check the ingredients on the product itself.