Stability Testing
[Demo copy, to be revised] Stores the product under heat, cold, cycling and light, then checks appearance and physical properties to estimate shelf life.
About this test
【Demo 文案，需調整】
安定性測試以加速條件模擬產品在運輸、倉儲與使用期間可能遇到的環境，定期記錄顏色、氣味、分層、pH 值與黏度等變化。
測試結果可作為訂定保存期限與包裝選擇的依據。
Tests included
| Test | Method | Notes |
|---|---|---|
| Accelerated (high temperature) | 40°C／45°C | Checked at 1, 2 and 3 months |
| Low temperature | 4°C／-10°C | |
| Freeze–thaw cycling | -10°C ↔ 40°C | |
| Light exposure | Indoor light / UV | |
| Physicochemical properties | pH, viscosity, specific gravity |
Related tests
Preservative Challenge Test[Demo copy, to be revised] Inoculates the product with set organisms and tracks counts over 28 days to judge whether the preservative system protects it.
Microbiological Testing[Demo copy, to be revised] Counts total viable microorganisms and screens for specified pathogens against cosmetic microbial limits.
Composition Analysis[Demo copy, to be revised] Measures the content of specific ingredients or identifies unknown ones, for formula checks and restricted-substance testing.
Efficacy Testing[Demo copy, to be revised] Volunteers use the product while instruments measure the change, giving data behind moisturising, brightening or anti-wrinkle claims.