| What it does | The Science of Rhythm
| Cosmetic batch code checker that decodes the production date of cosmetics and perfume
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| Stage | Not given
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| Founded | 2023
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| Based in | DE
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| Pricing model | Paid
| Free
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| Pricing | Porcelain Skin Serum €79.00, Blue Crystal Drops €59.00, The Perfect Duo €129.00 (reduced from €138.00), Gift Cards from €50.00
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| Key features | - Chrono-Barrier Skin Science™ formulations synchronized with skin's natural day-night rhythm
- Bioactive Infusion Complex™ liposome delivery system for controlled ingredient absorption
- Hyaluronic acid and pullulan for deep hydration and moisture retention
- Kigelia extract for elasticity and wrinkle reduction
- Vitamin C antioxidant and phytosterols for barrier strengthening
- GMP-certified pharmaceutical-grade production in Germany
- Independent third-party testing for stability, safety and microbiological compatibility
- Vegan, cruelty-free formulations free from animal testing
- Dermatologically tested and non-comedogenic
- Day and Night Rhythm product lines for circadian skincare support
| - Reads batch codes from major beauty brands
- Shows every possible date when codes repeat
- Scans batch codes with camera
- No account or sign-up required
- Explains batch code rules in plain language
- Tracks format changes across brands
- Shows manufacturing and expiry dates
- Saves recent checks in app
- Works offline on mobile app
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| What makes it different | - Proprietary Bioactive Infusion Complex™ liposome system for superior bioavailability of active ingredients
- Science-driven formulation combining modern skin research with natural, sustainable ingredients
- Skin Purity Standard™ ensuring products free from harmful or questionable ingredients
| - Shows every date a code can mean instead of hiding ambiguous years
- Tested against real products with printed dates
- Explains batch code rules so users can verify results
- No data transmission to servers from browser
- Independent project corrected by community feedback
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 9 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 4 | 6 |
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| Citation Flow (Majestic) | 23 | 8 |
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| Referring domains (Majestic) | 22 | 3 |
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NATURFACTOR®
BatchKnow