Pentanediol (1,5-Pentanediol) – Key Functional Features

1. Moisturizer

• Pentanediol has strong hygroscopic properties that help the skin retain moisture.
• Compared with glycerin or butylene glycol, it provides a lighter, non-sticky feel.

2. Multifunctional Ingredient

• It serves multiple roles at once: moisturizer + antimicrobial booster + solvent, helping reduce the need for traditional preservatives.

3. Preservative Booster

• Exhibits inhibitory effects on various microorganisms.
• Works synergistically with many preservative systems (e.g., phenoxyethanol, ethylhexylglycerin).
• Helps lower preservative dosage for gentler formulations.

4. Solvent / Carrier

• Effectively dissolves various active ingredients and improves dispersion and stability in formulations.

5. Sensory Enhancer

• Light, non-oily texture.
• Improves smoothness and spreadability.
• Reduces stickiness after application.

6. Formula Stabilizer

• Enhances stability in lotions, serums, and gels.
• Improves resistance of formulations under different temperature and humidity conditions.

7. Good Compatibility

• Compatible with water, alcohols, polyols, and most surfactant systems.
• Suitable for moisturizers, serums, creams, mists, and cleansing products.

Summary (Short Version)

Pentanediol = Moisturizer + Preservative Booster + Solvent + Sensory Improver + Stabilizer

A widely used multifunctional ingredient in cosmetics.