What's New

Hello, sunshine lovers! We've managed to get rid of those pesky behind-the-scenes bugs and our user experience is now better than ever! In addition, making it easier to find your perfect product. You can now sort and filter from your search page. No more going back and forth! Your profile also has a fresh look. On your new dashboard, be ready to up your #shopclean game. Track your progress with a glance at the Activity dashboard! Plus, find out what's clean and what's not on your bathroom shelf. Get ready for fun, healthier shopping this summer. Enjoy!

App Description

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.

• Search by Keyword or Barcode Scanning: Over 850,000 cosmetics and personal care products majority from Canada and the U.S. are currently in our database.

• Personalized Ingredient Preferences (Premium): Save time by pre-selecting your Allergens, Ingredient preferences and personalizing your shopping experience. Ingredient alerts will be presented if we find any flagged ingredients in the products you viewed.

• Search by Ingredient (Premium): Unlock to get detailed information about its usage, health impact, sources, and which products contain such ingredients.

• Search by Curated Categories (Premium Feature): Unlock to access our curated specialty lists such as Mineral Sunscreens, SLES-Free Skincare, Vegan Makeup

• 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.

• Upvote Non-Rated Products: Let your voices be heard! Upvote and we will aggregate user responses and reach out to brands on users’ behalf to encourage them to get their products verified and rated.

• Shopping Lists: Save products and make shopping faster and easier.

• Shop Now: Buy products directly from Amazon.com, Amazon.ca, Well.ca, Sephora.com, and 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 with a discount code to use our beauty box subscription. 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

App of the Day 2021

Fast Company World Changing Ideas Awards - North America - Overall - 2020

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

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

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

"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

As a small team, we diligently work 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 [email protected] if you have comments or suggestions.

iPhone Screenshots

(click to enlarge)

Think Dirty – Shop Clean screenshot 1 Think Dirty – Shop Clean screenshot 2 Think Dirty – Shop Clean screenshot 3 Think Dirty – Shop Clean screenshot 4 Think Dirty – Shop Clean screenshot 5

App Changes

  • June 18, 2014 Initial release
  • August 02, 2014 New version 1.6
  • September 04, 2014 New version 1.7
  • October 18, 2014 New version 1.7.1
  • October 27, 2014 New version 1.7.2
  • November 03, 2014 New version 1.7.3
  • December 12, 2014 New version 1.8
  • January 04, 2015 New version 1.8.1
  • February 22, 2015 New version 1.8.2
  • June 05, 2015 New version 1.8.3
  • July 29, 2015 New version 1.8.4
  • September 30, 2015 New version 1.8.5
  • November 24, 2015 New version 1.9
  • January 20, 2016 New version 1.9.1
  • February 25, 2016 New version 1.9.2
  • July 08, 2016 New version 2.0.2
  • November 23, 2016 New version 3.0
  • November 29, 2016 New version 3.0.1
  • December 04, 2016 New version 3.0.2
  • December 05, 2016 New version 3.0.3
  • June 14, 2019 New version 4.1.3
  • October 10, 2019 New version 4.1.4
  • October 22, 2019 New version 4.1.5
  • October 29, 2019 New version 4.1.6
  • November 19, 2019 New version 4.1.7
  • December 03, 2019 New version 4.1.8
  • December 17, 2019 New version 4.1.9
  • December 24, 2019 New version 4.2.0
  • December 31, 2019 New version 4.2.1
  • January 28, 2020 New version 4.2.2
  • July 15, 2020 New version 4.3.5
  • October 23, 2020 New version 4.4.3
  • December 10, 2020 New version 4.4.4
  • July 08, 2021 New version 4.5.6
  • May 16, 2022 New version 4.7.2
  • September 16, 2023 New version 4.10.0