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 850,000 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.
• Shop Now: Buy products directly from Amazon.com, Amazon.ca, Well.ca, Sephora.com, Amazon.co.uk.
• UPC Submission: Are we missing a product? Use your device's camera to scan its barcode and capture the list of ingredients with OCR, then submit it to us. For registered users who submit products, we thank you and will notify you once they are in our database.
As mentioned in:
Bloomberg, New York Times, O Magazine, Today's Show, NPR, Fast Company, Huffington Post, TED Blog, Allure Magazine, The Atlantic, PSFK, New York Magazine, Buzzfeed, Consumer Reports ShopSmart Magazine, Global News, Toronto Star, City TV, CTV, App Central, Brit + Co, Refinery 29, Telegraph, The Guardian, Design Taxi
"What changed my routine and really my life is the Think Dirty app." - Ruby Rose
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
“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 non-toxic 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 international users) to our database.
We appreciate constructive feedback. Please email us at firstname.lastname@example.org if you have comments or suggestions.
Minor user interface adjustments
Ratings and ReviewsSee All
THE BEST APP EVER-
I was so unaware of what I was bringing into my home. My cleaning products (all purpose cleaner & dish soaps, laundry soaps, etc.), body products (deodorant, shampoos, conditioners, facials, makeup, etc.) THEY WERE ALL TOXIC- and I had no idea. Some of these chemicals effect human hormones, skin sensitivity, and some chemicals lead to cancer & I didn’t even know they were in my home. I was uneducated which is the exact reason I am writing this review- once you know, you know & I guarantee once you know you will want better for your husband, your kids, yourself, and even the dog. TAKE ACTION! Download this app and use it to your best ability the app has a ranking scale from 0-10. 0 being the healthiest 10 being the MOST toxic. This is judged based upon the chemicals and products in your cleaners from home cleaners to body products too. All of my home products & body products were sitting at like an 8 or 9- which is really scary-
Now you know, and YOU should download this app && change your life.
Better search options
I like that you can search for a product by name, but I wish there was a way to sort products by quality and price (which I noticed the website doesn’t include and is an important aspect for most, how much is this 1 rated shampoo vs the 3 rated shampoo? - for those unfamiliar a lower rating means a better product) I’ve also noticed a lot of comments on the really low rated products were quite negative or indicated they would not purchase more and you’d have to scroll to find some positive reviews, but the app still shows that product with an 80% would use again with 4+ stars?? When most the upfront comments are negative? I’m not sure about the reviews section of this app. I definitely will be using this app to further look into potential products, but it’s not as useful with finding new ones as I hoped it would be.
......after perusing the app for another 30 min or so and cross checking it with “the best 10 hair care products for dry hair” so far were 6/6 being listed as 8 ratings aka very dirty. Now I expected some of the big name brands to not be the best for you, but literally all of them are listed as very dirty because they have a fragrance in them? I get that fragrance is a chemical but if all the other ingredients are green and they have one thing that’s an 8 I don’t think giving it an 8 rating is fair....
No data on common brands
I got this app for the purposes of learning more about the products I apply every day and potentially turning over my makeup bag to include less harmful products. Immediately after downloading I started searching products in my makeup bag to learn more about the ingredients. There was no data on my bronzer, foundation or primer by Fenty Beauty, my Too Faced lip gloss, my mascara, or Glossier brow gel. Admittedly, I don’t race to get the newest release of lip kits or products but I also know that I’m not working with out-of-date or obscure makeup. I’m surprised that there would be no information on my products from the three major brands I listed above. I did get prompted to upload info and submit my products to the app’s database but I could not get a clear picture of my product even after 5 retakes. I don’t have this issue when using my iPhone camera normally so I can only assume it was an issue of the app.
I don’t want to completely disregard what this app has to offer. The ability to look further into a certain ingredient with one click and get and overview of health effects and usage with a list of sources is so convenient and the concept I came for. I’m just disappointed that for have an average makeup bag with products from big names that I couldn’t find what I was looking for. For now I’ll just do my own research via Google.
- Think Dirty Inc.
- 141.4 MB
- Health & Fitness
Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.
English, Simplified Chinese, Traditional Chinese
- Age Rating
- © All trademarks are registered for Think Dirty Inc.
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With Family Sharing set up, up to six family members can use this app.