Chinese plasters are designed to be waterproof to some extent, but their effectiveness can be compromised if they get wet too soon after application or are exposed to prolonged water exposure. Proper adhesion is crucial initially, and brief contact with water (like during showers) is generally fine once the plaster has fully adhered. However, soaking them for extended periods can reduce their therapeutic benefits.
Key Points Explained:
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Initial Adhesion Period
- Chinese plasters need time to adhere properly to the skin after application.
- Wetting them too soon can weaken their grip, reducing effectiveness.
- Wait at least 1–2 hours before exposing them to water.
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Waterproof Properties
- Once fully adhered, they can withstand brief water exposure (e.g., washing hands or quick showers).
- The adhesive is designed to resist minor moisture but not prolonged submersion.
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Prolonged Water Exposure Risks
- Soaking in baths, swimming, or excessive sweating can loosen the plaster.
- Moisture may dilute the herbal extracts, reducing therapeutic effects.
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Best Practices for Durability
- Pat dry gently if the plaster gets wet—avoid rubbing.
- Replace if edges start peeling due to moisture.
- For optimal results, minimize water contact beyond necessary hygiene.
By following these guidelines, users can maintain the plaster’s adhesion and medicinal benefits while accommodating daily activities.
Summary Table:
| Key Consideration | Guidance |
|---|---|
| Initial Adhesion Period | Wait 1–2 hours before exposing to water to ensure proper adhesion. |
| Waterproof Properties | Resists brief water exposure (e.g., showers) but not prolonged submersion. |
| Prolonged Water Risks | Soaking or sweating may loosen plaster and dilute herbal extracts. |
| Best Practices | Pat dry gently, replace if peeling, and minimize unnecessary water contact. |
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