COSR.AI

cosr.ai
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Instantly check cosmetic freshness, decode batch codes, and calculate expiry dates for hundreds of brands with COSR.AI's free, comprehensive beauty safety tool.

COSR.AI is a free, user-friendly platform dedicated to cosmetic product safety and authenticity verification. Positioning itself as a trusted resource for beauty consumers, it decodes batch codes to reveal manufacturing dates and calculates expiration timelines based on regulatory standards and brand-specific chemistry. The tool empowers users with data-driven insights about hundreds of international brands including Chanel, SK-II, and Olay, while providing educational content on PAO (Period After Opening), proper storage practices, and risks of expired cosmetics. Its cross-device compatibility and multilingual support ensure accessibility for global users, with advanced algorithms continually updated to match evolving beauty industry standards.

Installation

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Features

🧴 Batch Code Decoding
Our sophisticated algorithm analyzes unique batch codes across 1000+ brands to determine precise manufacturing dates. Users get detailed breakdown of code formats (numeric, alphanumeric) and cross-referencing with brand-
📚 Educational Resources
Comprehensive guides explain PAO symbols, storage best practices, and expiration chemistry. Learn why liquid foundations have 12-18M PAO while powders last 18-24M. Includes illustrated diagrams showing optimal storage te
🔍 Risk Assessment Matrix

Use cases

Check foundation expiration before travel
Verify skincare product shelf life accuracy
Determine mascara freshness (shortest shelf life)
Validate expiration dates on duty-free purchases
Discarded old perfume liquid vs new

FAQ

COSR.AI uses machine learning to analyze 1000+ brand-specific coding patterns. By cross-referencing numeric/alphanumeric markers with brand chemistry we reveal manufacturing dates and calculate expiration timelines using EU/US cosmetic regulations.

Yes! The platform decodes Japan-specific codes like Shiseido, SK-II, and Kose. Supports export-specific coding patterns alongside domestic Japanese format that often omits printed expiration dates for 3+ year shelf life products.

We support historical analysis including legacy brands and discontinued products. Our database contains archival coding formats dating back to 2005 manufacturing runs.

While we analyze using manufacturer standards, actual shelf life may vary by 3-18 months based on storage. Always verify with physical expiration dates or contact brand directly for medical concerns.

Specs

Type Tool
SectionAI Assistant
Pricing free
Platform Web only
Systems web
Hostingcloud
Installsaas
Site languageen

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