Think Dirty – Shop Clean

What's New: Fall cleaning for your app! We've made performance improvements and under-the-hood updates for a smoother scanning experience.

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. Use our barcode scanner, 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. Think Dirty is free to download with premium features for deeper product reviews and clean beauty human curated recommendations and verified scientific data, powered by AI. 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 assessments. TOP FEATURES: - Scan or Search Products Instantly: Compare over 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 view. - Ingredient Checker & Alerts (Premium & All Access): Flag allergens or harmful ingredients ahead of time and get alerts for products you scan or view. - Curated Safe Product Lists (Premium): Browse categories such as Mineral Sunscreens, Vegan Makeup, Cruelty-Free Beauty, SLES-free Skincare, Sustainable Beauty, and more. - Product Comparison: Compare products side-by-side to find the safest, most effective option for your skincare routine. - 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" – 2020, 2023, 2025, 2026 - App Store Voice of the Change – Changemaker 2023 - Featured in App Store Canada's #VoicesOfChangeCanada - Fast Company World Changing Ideas Awards – Overall Winner, 2020 - Trusted by 8M+ Users TRUSTED BY EXPERTS + PRESS: "There's an app I liked called, Think Dirty." – Dr. Daniel Amen, Amen Clinic "Scan all your beauty products and if it scores a 3 or higher, toss them out." – Dr. Mindy Pelz "The cosmetics that you use and the stuff you put on your body, there's a great app called Think Dirty." – Dr. Darshan Shah "What changed my routine and really my life is the Think Dirty app." – Ruby Rose "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. "It helps me make informed choices on products I bring home." – TED Blog "Think Dirty miiiight be the best app ever." – Grist Whether you're managing acne-prone skin, searching for pregnancy-safe cosmetics, seeking vegan hair products, or simply want to understand what's in your baby and household products, Think Dirty gives you the transparency to make safer choices for your health. Download the Think Dirty app and join millions making cleaner beauty choices every day.