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Terms of Use

Last updated: 2 August 2026

The short version. Dupie compares publicly available ingredient lists and suggests cheaper alternatives. We are not affiliated with any brand we show, we don't sell products, and a match score is our opinion based on data — not a promise that two products are the same.

Who we are

Dupie is operated by N2N s.r.o., Kamenná 4, 010 01 Žilina, Slovakia — Company ID (IČO) 45977208, VAT ID (IČ DPH) SK2023179279. Contact: hello@dupie.beauty.

What Dupie is — and what it isn't

Dupie is an independent comparison tool. We read published ingredient lists (INCI) and show products with a similar composition at a lower price.

Not medical or safety advice

Ingredient data can be incomplete or out of date, and manufacturers reformulate without notice. Always read the packaging before you use a product, especially if you have allergies or a sensitive skin condition. Dupie is not a substitute for advice from a dermatologist or pharmacist.

Subscriptions

Invites

Your invite code rewards you when someone else applies it in their own app. Codes may not be spammed, published on coupon sites, or applied on devices you control to claim rewards for yourself. We may withdraw rewards obtained this way.

Affiliate links

Some links to retailers earn us a commission at no extra cost to you. It never affects which alternatives we show or the match score we calculate — those come from ingredient data, not from what pays us.

Using the app fairly

Please don't scrape or bulk-copy our catalogue, resell our data, or try to break the service. We may suspend access that damages the service or other users.

Our content

Ingredient data comes from open databases (including Open Beauty Facts, ODbL) and public manufacturer listings. The match scores, the catalogue as a compilation, and the app itself belong to N2N s.r.o.

Liability

Dupie is provided "as is". We work hard to keep the data accurate, but we cannot guarantee it is complete or current, and we are not liable for purchase decisions made using the app. Nothing here limits rights you have as a consumer under Slovak or EU law.

Changes

If these terms change, we'll update the date at the top and announce material changes in the app.

Governing law

These terms are governed by the laws of the Slovak Republic. As a consumer you may also use the EU online dispute resolution platform.