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Think Dirty

Think Dirty is the easiest way to learn about the potentially toxic ingredients in your cosmetics and personal care products. It’s an independent source that allows you to compare products as you shop. Just scan the product barcode and Think Dirty will give you easy-to-understand info on the product, track dirty ingredients and shop for cleaner options

• Barcode Scanning: over 350,000+ cosmetics and personal care products majority from Canada and the U.S. are currently in our database.


• Dirty Meter® a comprehensive rating is given, along with detailed (but easy-to-understand) information on ingredients, certifications, and health impacts.


• My Bathroom Rating: keep track of what’s already in your bathroom. Learn your current bathroom rating, and track your progress on “cleaning” it up.


• Shopping lists: save products to make shopping faster and easier.


• Buy it now: buy products directly from Amazon.com or Amazon.ca


• UPC Submission: Are we missing a product? Scan and submit a barcode for us to look into. For registered users who submitted products, we thank you and will notify you once they are in our database.

As mentioned in:

25+ Apps To Make Your Everyday Life Easier – TED Blog

7 New Beauty Apps You Need to Download Now – Allure Magazine

26 Underrated Apps Every Twentysomething Should Download Right Now – BuzzFeed

The Beauty And Fashion Apps You Need To Download, ASAP – Glamour Magazine UK

O The Oprah Magazine, NPR, Fast Company, Huffington Post, TED Blog, Allure Magazine, The Atlantic, PSFK, New York Magazine, New York Magazine, Consumer Reports ShopSmart Magazine, Global News, Toronto Star, City TV, CTV, App Central, Brit + Co, Refinery 29, Telegraph Stella Magazine, The Guardian, Design Taxi, Women 2.0

“It helps me make informed choices on products that I am bringing home.” – TED Blog Staff, Kyle Shearer

"Tse's quest for greater transparency is personal. Her mother is a breast cancer survivor, so she's sensitive to hidden dangers in the products around us."– Fast Co. Exist

"Think Dirty miiiight be the best app ever" – Grist

"Buying safe cosmetics has never been easier." – Ecouterre

"Brilliant idea: 'Think Dirty' app tells you the ingredients in your cosmetics." – Inside.com Jason Calacanis

"Think Dirty is an app that makes figuring out exactly what you’re slathering on your face, lips, bod (and, yikes, then washing down the drain) as easy as snapping a picture."– Brit + Co.

"An App That Helps You Find the Safest Make-up."– The Atlantic

"With a tool like Think Dirty, consumers can help find and promote good companies that are using nontoxic ingredients. You shouldn’t have to be a toxicologist to know how to find safer products." – Janet Nudelman, Campaign for Safe Cosmetics

"I love knowing the health impact of what's on my bathroom shelf. Every consumer of beauty products needs this free app" – Karina Birch, Founder of Rocky Mountain Soap

As a small team, we are working diligently to accommodate the overwhelmingly positive amount of users' submissions (especially from our EU users) to our database.

We appreciate constructive feedbacks. Please email us at [email protected] if you have comments or suggestions.

Category : Health & Fitness

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Reviews (28)

kar. b. Mar 16, 2022     

I REALLY want to love this app, BUT when I'm looking at face primer and click on "our picks" I expect alternatives NOT lotion, cleanser, mascara, and anything other than primer! Also, when scanning bar codes to check items like toothpaste, shampoo, hair gels, and such I am having to enter so much information & it definitely takes more than "just a minute" of my time. KEEP TRYING

Reb. May 18, 2022     

Good idea, but not there yet. Subscribed because I wanted to be alerted to products that I could be allergic to, but I rarely get hits when I search for products. I tried adding them myself (which takes some time), but it seems to take weeks for them to be added to the data base. It would be OK if I could still add these manually to my shelf, but that is not possible. So I can't add everything I already own to the app in one go, and (too) often I can't look up a new product I am interested in.

Kai. P. F. Mar 27, 2022     

One of my favorite apps! I use it atleast once a week sometimes more!! It's very useful on finding good natural products. The only thing I don't like is that some ingredients aren't always listed that are on the product so I always have to check to make sure and I feel like I end up looking like a crazy lady standing on the store scanning a bottle lol but other than that it's amazing. I love that you can search for things that are natural to buy on the site as well 😊

D. G. May 20, 2022     

I really like the app!! Areas for improvement: It would be great if they had a wider variety of items in their database. Also, when ppl submit items they don't have, it'd be great if they speed up the process of adding them to the database. Other options for places to buy products would be great!

And. G. Mar 25, 2022     

I love the fact that this app is transparent without bringing or looking down upon other products, it just makes one become health conscious over what they put on their faces, what they use for cleaning, etc. So I'm enjoying it so far, although there are other products which I scanned, the app couldn't give me the information of the product I was scanning.

har. p. Apr 3, 2022     

fabulous app!! it's quite annoying that the photo is instant for the barcode hahaha the biggest fallback in my opinion is that it doesn't read *all* barcodes. it would be convenient if it read the codes on MLM items, or didn't require a barcode at all.

Sar. D. Apr 18, 2022     

Although the app doesn't have EVERY possible brand (yet), there's a lot of useful information about swapping less healthy items for healthier ones! The shopping links are also very helpful! I can find a good brand for just about every household/personal care product I use!

Bla. P. Mar 18, 2022     

EDIT - Emailed the developer and app has been fixed! Wonderful support. Original - Doesn't work anymore unfortunately. Just opens up the initial load screen and never actually opens the app. Have tried reinstalling and no luck.

Cat. M. Jan 5, 2022     

When it has a product's barcode in the app it works great and I love the idea of this service. When the issue below is resolved I will give 5 stars & would recommend this app to friends. My issue is that when I go to enter in a new barcode/product the app freezes and doesn't pull up my default android keyboard, doesn't allow the option to select or type in a different text box, and doesn't allow tapping a different menu in the app. Can only use the app after force quitting it in app manager.

Aly. T. Jan 9, 2022     

App did not function well on my android device. Most of the barcodes I scanned didn't show up. When I tried to add the product to the database the app froze. Nothing was clickable other than rescanning the barcode. This includes the keyboard not popping up to type in the product name, the other options were not clickable and the app would freeze up. I cleared cache, tried both on and off wifi, restarted my phone and closed and opened the app again and it did not help. cool idea poor execution.

Ste. M. May 3, 2022     

Great idea, but hardly any products were scannable. I entered in a few then got annoyed. No way would I pay for this service if I'm having to do all the leg work.

Kat. Apr 8, 2022     

Disappointed to have purchased this app to avoid "free glutamate" (MSG type) ingredients, only to see that important ingredient information for these triggers i.e., "autolyzed" and "hydrolyzed," are left off of the App's ingredient list. Misleading on the part of the App, obviously looking to promote products that appear cleaner than they truly are. For those of us with ingredient sensitivities, it isn't worth it to pay. Just keep reading labels in stores, as clearly the middlemen misrepresent.

Dev. M. Mar 21, 2022     

Every time I look for a product they don't have it. They have mostly popular brands even then it's hit and miss if they have all the products that brand carries. They have a option to submit a product but why should I have to do the work for them? Especially if I'm paying for a app?

Jes. P. Mar 23, 2022     

I am glad I looked further into products being used throughout our house when it comes to hygeine & cleaning. Mother of 3 kids and I threw away/got rid of so much and started fresh with all clean and organic products! This app is extremely useful.

m. A. May 8, 2022     

Gimmick!! This app collects tons of data and it is useless for user. You can search Google for the ingredients and find your self while giving less information to google. Not to mention you have buy subscription to access the free information.

lee. 2. Feb 28, 2022     

After installing the app i opened it but not a single touch worked. Always the same result. No idea whether the app gets freeze or other technical problem. I can't even use it....

Val. G. Apr 18, 2022     

I downloaded and opened it. I just get the initial page. No idea how to work with it. I swiped up, down, left, right. Tried to tap the screen. Nothing happens. I have a Samsung A51.

Deb. M. Mar 27, 2022     

Horrible, it seems YOU are doing the work for them I scanned a simple can of chicken noodle soup and THAT isn't even there so apparently their data base is non existent until consumers take pics send in all information on product at that time THAT product will b able to b scanned by anyone else to have Info .. deleting app

She. S. Mar 27, 2022     

Love it, clear, concise, easy to use. Would help if we could scan a bar code of a product and then the app tell us that way

Vla. M. Apr 4, 2022     

What a disappointing user experience. Scanned three typical household items from major international brands and it couldn't identify any of them.

Kim. P. Apr 24, 2022     

I scan products in stores with this app and am shocked at how many products that appear to be safe have harmful ingredients. I highly recommend this app!

Bri. S. Feb 1, 2022     

Not everything has a barcode. Scanned a few things, but nothing was in the app. Entered things manually, but the "capture image" for ingredients and description are always blurry and have to be entered manually. So it shows I haven't scanned it anything and doesn't give any information about the products submitted.

Chr. M. Dec 29, 2021     

Doesn't work. Tried to scan at least 5 different products and it didn't find any of them. Also when you try to submit the item to their data base none of the option lets you enter any details. Would be a great app if it worked but I will be deleting this app.

Kri. L. Jan 22, 2022     

Super easy theory, but I tried to scan a dozen products, and nothing was in the system. I tried bath and body works, sephora, nothing was loading. This app is complete bs and not worth the time or effort.

Cas. D. Dec 14, 2021     

Super helpful and quick app that let's you see if a product is clean. I got a new popular moisturizer that I though was good but my face started breaking out. I used Think Dirty and found out it was an 8 on the clean scale! 😡

pur. 8. Apr 14, 2022     

I think its pretty scummy to have to pay for information on which products have dangerous ingredients or FDA recalls. Like I get you have to make money but that's not the best way.

ken. h. May 24, 2022     

I love this app! although in the future I would love an option of plastic free packaging as a search option!

Eva. F. Apr 28, 2022     

Keeps says "Something went wrong...." even after uninstalling and reinstalling - for 2 days now :/ Didn't get to use it once!