Think Dirty – Shop Clean

Skincare & Beauty Scanner

Only for iPhone

Free · In-App Purchases · Designed for iPhone

iPhone

Join 8M+ users of the #1 beauty & skincare scanner. Scan any product, check ingredient safety ratings, read reviews, and find cleaner alternatives instantly. Think Dirty is your go-to skincare scanner, beauty product checker, and cosmetic ingredient analyzer — designed to help you decode labels and make safer choices. Loved by over 8 million users, our app makes it easy to learn about potentially toxic ingredients in your skin care, hair care, and cosmetic products. Scan the barcode, and Think Dirty instantly delivers easy-to-understand, trustworthy product ratings and ingredient analysis. Whether comparing products, checking for skin allergy triggers, or scanning items in-store, Think Dirty empowers you to shop smarter and live cleaner. WHY THINK DIRTY? • Ingredient-Focused Ratings: Think Dirty® uniquely evaluates products based solely on their chemical content, not brand reputation or marketing claims. • No Greenwashing: We don't consider environmental or social factors that can artificially lower a product's toxicity rating – our focus is strictly on health-related impact. • Truly Independent: Think Dirty® remains unaffiliated with third parties, ensuring unbiased, consumer-first product reviews and assessments. TOP FEATURES: • Scan or Search Products Instantly: Compare over 2.6 million products – skincare, cosmetic, hair care, personal care, household, baby, and pet items – and get detailed health impact breakdowns. • Real-Time Beauty Scanner (Premium & All Access): Instantly scan beauty, skincare, cosmetic, and household products for immediate safety ratings, toxicity scores, and cleaner alternatives – no waiting required! • Personalized Ingredient Preferences (Premium & All Access): Pre-select your allergens, acne triggers, and ingredient preferences for a personalized shopping experience. You'll also receive alerts if carcinogens or harmful ingredients are detected in the products you scan or view. • Ingredient Checker & Alerts (Premium & All Access): Flag allergens or harmful ingredients ahead of time and get alerts for products you scan or view. • Product Comparison: Compare products side-by-side to find the safest, most effective option for your skincare routine. • Curated Safe Product Lists (Premium): Browse categories such as Mineral Sunscreens, Vegan Makeup, SLES-free Skincare, Sustainable Beauty, and more. • UPC + OCR Submissions: Can't find a product? Use OCR to scan the barcode and the ingredients label, then submit. Contributors will receive a discount code and notification once the product is added! LOVED BY EXPERTS: Recommended by: Dr. Amen, Dr. Darshan Shah, Dr. Anthony Youn, and Dr. Mindy Pelz Awarded: • App Store “App of the Day” • App Store Changemaker 2023 • Fast Company World Changing Ideas Awards – Overall Winner, 2020 • Trusted by 8M+ Users PRESS & PRAISE: "What changed my routine and really my life is the Think Dirty app." – Ruby Rose "It helps me make informed choices on products I bring home." – TED Blog "Think Dirty miiiight be the best app ever." – Grist "An App That Helps You Find the Safest Make-up." – The Atlantic "Tse's mission is personal—her mother is a breast cancer survivor." – Fast Co. Featured in: Bloomberg, The New York Times, O Magazine, NPR, Allure, Glamour UK, Fast Company, Refinery29, The Atlantic, NYMag, Consumer Reports Whether you're managing acne-prone skin, searching for pregnancy-safe cosmetics, looking for vegan hair products, or simply want to understand what's in your household products, Think Dirty gives you the transparency to make safer choices for your health — starting with your skin Download the Think Dirty app and join millions making cleaner beauty choices every day.

  • 5.0
    out of 5
    5 Ratings

We’ve improved the scanning experience! Our skincare scanner is faster, more accurate, and now supports a wider range of barcodes. Scan any beauty or cosmetic product to instantly see ingredient safety ratings, toxicity scores, product reviews, and cleaner alternatives. Bug fixes and performance improvements ensure smoother scanning, even in low light. Your trusted ingredient checker just got better. Update now and scan smarter!

The developer, Think Dirty Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Purchases
    • Location
    • Contact Info
    • Search History
    • Identifiers
    • Usage Data
    • Diagnostics
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Location
    • Contact Info
    • User Content
    • Search History
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary based, for example, on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Seller
    • Think Dirty Inc.
  • Size
    • 61.3 MB
  • Category
    • Health & Fitness
  • Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    English and 2 more
    • English, Simplified Chinese, Traditional Chinese
  • Age Rating
    4+
  • In-App Purchases
    Yes
    • Think Dirty USD 2.99
    • Think Dirty USD 27.99
    • Think Dirty Premium USD 3.99
    • Think Dirty All Access USD 48.99
    • Think Dirty USD 15.99
    • Think Dirty Premium USD 29.99
    • Think Dirty Premium USD 16.99
    • Think Dirty Clean Beauty Boss USD 159.00
    • Think Dirty Clean Beauty Boss USD 139.00
    • Think Dirty Clean Beauty Boss USD 199.00
  • Copyright
    • © 2026 All trademarks are registered for Think Dirty Inc.