Comparison

Open Food Facts vs ClearaScan: Open Database vs Personal Filter

Open Food Facts is a vast, free, open ingredient database; ClearaScan is a personal trigger scanner. A fair, UK-focused look at how a reference library and a personal filter differ, and when to use each.

The core difference

Open Food Facts and ClearaScan are often mentioned together, but they are built for different jobs. Open Food Facts is a free, open, community-built database of food products and their ingredients, a reference library you look things up in. ClearaScan is a personal filter: it does not try to catalogue everything, it checks whatever you scan against the specific list of things you react to. One answers “what is in this product?”; the other answers “does this contain my trigger?”. Knowing which question you are asking is the key to choosing between them, and often the answer is that you want both.

How each one works

Open Food Facts is a non-commercial project run by volunteers, a bit like a Wikipedia for food. Anyone can contribute product data, so the database is huge, transparent and free, with full ingredient lists, additive information and nutrition details. You search or scan a product and read what is in it. ClearaScan works from the other direction. You save the ingredients you react to once, then scan any product and it flags only those, doing the matching for you rather than showing you everything. It is designed to work across food, medication and cosmetics against a single list, and it is currently in early access.

A fair point-by-point comparison

Coverage. Open Food Facts has an enormous, mature, openly contributed food database, which is one of its great strengths for research and lookups. ClearaScan is cross-category, covering food, medication and cosmetics, but as an early-access product its database is still growing and a given product may not yet be recognised.

How each judges a product. Neither imposes a “good or bad” score in the way a rating app does, which is refreshing. Open Food Facts simply presents the facts and leaves interpretation to you. ClearaScan interprets against your list only, flagging your triggers and staying silent about everything else.

Personalisation. This is the dividing line. Open Food Facts shows the same information to everyone and expects you to do the matching, including knowing the aliases a trigger can hide behind. ClearaScan starts from your personal list and does the matching for you.

Cosmetic versus food. Open Food Facts is focused on food, with separate sister projects for other categories. If your triggers appear in both your kitchen and your bathroom, that split is a real limitation. ClearaScan is built to check one list across food, medicines and skincare.

Cost and openness. Open Food Facts is free and open, with no commercial motive, which is genuinely valuable and hard to beat as a public resource. ClearaScan is a product in early access, so its terms may change.

Where each falls short. Open Food Facts leaves the work to you and, being volunteer-maintained, can have gaps or uneven detail. ClearaScan depends on you building an accurate list and, as a newer tool, has less coverage than a long-established open database.

Who each one suits

Open Food Facts suits anyone who wants a free, transparent reference to understand ingredients and additives, do research, or simply look up what is in a product without any commercial agenda. It is a superb resource for the curious and the careful. ClearaScan suits someone who already knows their triggers and wants the matching done for them quickly, especially in the aisle, and who values the extras: a Reaction Journal for flare-ups, a shared Care Circle so family or carers can scan for you, and a Trusted Products list for items you have cleared.

An honest recommendation

These two are not really rivals; they complement each other. Use Open Food Facts as your free, open reference for understanding ingredients and checking facts, and a personal-list tool like ClearaScan when you want the matching against your own triggers done for you while you shop. The honest trade-offs are clear on both sides. Open Food Facts is free, open and vast, but it makes you do the trigger-matching and stays mostly within food. ClearaScan does the matching across categories, but you have to build the list yourself and it is still in early access with a smaller database. If you are not yet certain what sets your skin off, an open reference plus advice from your GP or dermatologist is the better first step than any app alone. (Disclosure: our editor co-founded ClearaScan, and we are not paid to mention the others.)

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Common questions

What is the main difference between Open Food Facts and ClearaScan?

Open Food Facts is an open, community-built database you look products up in, showing full ingredients, additives and nutrition. ClearaScan is a personal filter that checks whatever you scan against the specific list of things you react to. One tells you what is in a product; the other tells you whether it matches your triggers.

Is Open Food Facts free?

Yes. Open Food Facts is a non-commercial, community-run project and its database is free and open. That openness is one of its biggest strengths, especially for research and for understanding what an additive actually is.

Does Open Food Facts cover cosmetics too?

The main Open Food Facts project focuses on food, though the same community also runs sister projects for cosmetics and other products. For sensitive-skin triggers that appear in both food and skincare, you may need to look across more than one of these, whereas a personal-list tool can check one list across categories.

Why might I still want a personal-list tool if the database is free?

A database shows you everything and leaves the matching to you: you still have to know your triggers, their alternative names, and spot them in a long ingredient list. A personal-list tool like ClearaScan does that matching for you and flags only your triggers, which is quicker in a shop.

Can I use both together?

Yes, and they complement each other well. Open Food Facts is an excellent free reference for learning what an ingredient is, and a personal-list tool handles the fast, tailored check against your own triggers when you are shopping.

Written and reviewed by the Sensitive Skin Lab editorial team.

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.