Propyl paraben is a chemical compound that belongs to the paraben family, used primarily as a preservative in cosmetics, personal care products, and pharmaceuticals. Its function is to inhibit the growth of bacteria, mold, and fungi, thereby extending the shelf life of products and maintaining their safety. Propyl paraben is valued for its antimicrobial properties and is often used in combination with other parabens to create a broad-spectrum preservative effect.
Benefits of Propyl Paraben
- Preservative: Propyl paraben helps prevent microbial growth, maintaining product safety and stability.
- Broad-Spectrum Antimicrobial: It is effective against a wide range of microorganisms, including bacteria, mold, and fungi.
- Long-Lasting Stability: It helps to ensure the long-term stability of products, preventing spoilage.
- Compatibility: Propyl paraben is compatible with a variety of formulations, including cosmetics, pharmaceuticals, and food products.
Common Uses of Propyl Paraben
Cosmetics and Personal Care
Propyl paraben is widely used in cosmetics and personal care products as a preservative. Common applications and recommended usage percentages include:
- Creams and Lotions: To prevent bacterial growth and contamination, typically used at 0.1–0.3%
- Shampoos and Conditioners: To maintain stability and ensure safety, generally used at 0.1–0.2%
- Makeup Products: To extend shelf life and prevent microbial growth, typically used at 0.1–0.3%
Pharmaceuticals
Propyl paraben is used in pharmaceutical products for its preservative properties. Common applications include:
- Medications and Ointments: To ensure product safety and stability, generally used at 0.1–0.2%
- Liquid Medications: To maintain stability and prevent spoilage, typically used at 0.1–0.3%
Food and Beverages
Propyl paraben is also used in the food industry as a preservative. Common applications include:
- Baked Goods and Snacks: To extend shelf life and prevent spoilage, typically used at 0.1–0.3%
- Beverages: To prevent microbial growth, generally used at 0.1–0.2%
Product Specifications
- INCI Name: Propylparaben
- CAS No: 94-13-3
- Product Type: Preservative
- Usage: Cosmetics, personal care, pharmaceuticals, food
- Purity: Typically 95–99%
- Shelf Life: 2 years or more, depending on storage conditions
Storage and Handling
Store propyl paraben in a cool, dry place, in a sealed container to prevent contamination and moisture absorption. Keep it away from direct sunlight to maintain its quality and consistency.