1,2-Pentanediol | Pentylene Glycol: A naturally sourced cosmetic ingredient
- 2026-01-23
- 5
- Weicheng Advanced Material (Shandong) Co., Ltd.
1,2-Pentylene Glycol is a naturally derived moisturizer with preservative properties, produced using a proprietary process from corn cobs, a byproduct of corn harvesting, ensuring an ethical and reliable source. It boasts excellent safety, is naturally gentle, and readily biodegradable.
With a superior purity of over 99% (100% bio-carbon source), it possesses broad-spectrum antibacterial activity, providing effective bactericidal and bacteriostatic effects. This ingredient is not registered as a preservative and can be used alone as a preservative-free ingredient, reducing irritation and allergies caused by preservatives.
When combined with commonly used preservatives, it exhibits significant synergistic effects. As a moisturizer and skin conditioner, it provides both preservative and skin-moisturizing benefits. It also enhances the water resistance of sunscreen formulations. Source-PG-Green is ideal for green formulations, enhancing the naturalness of classic formulas.

Performance and Advantages:
Naturally derived, 100% bio-carbon source, ideal for green formulations
Easily biodegradable, aligning with the consumer philosophy of "green, environmentally friendly, and safe"
A multifunctional antibacterial synergist with broad-spectrum antibacterial activity
Reduces the dosage of traditional preservatives, enhances the preservative effect of the formula, reduces formula irritation, and improves the naturalness of classic formulas
Can achieve significant synergistic effects when combined with commonly used preservatives
While providing preservation, it also moisturizes and hydrates, enhancing the moisturizing effect of products
High purity, low odor, and high safety, especially suitable for sensitive and delicate skin
Suitable for green, sustainable, and naturally derived personal care formulation systems, sensitive skin care, and safe, gentle, and non-irritating personal care products
Recommended Applications:
Green, sustainable, and naturally derived formulation systems
Personal care product formulation systems such as sensitive skin care products
Formulation systems claiming to be safe, gentle, non-irritating, and additive-free
Formulation systems that enhance preservative efficacy and improve formula gentleness
Personal care products such as facial care, hair care, and body care
Recommended Dosage:
Recommended addition: Maximum 5.0%
※ Final formulation addition recommendations are subject to preservative challenge testing.
Application Guidelines:
Esters soluble in water and cosmetics
Compatible with a wide range of cosmetic ingredients
pH range 4-12, stable and effective over a wide temperature range
Use in cosmetics at concentrations of 0.5%-5.0%, or in combination with other preservatives and antimicrobial components to enhance preservative protection and reduce dosage.
Compatibility:
1,2-Pentylene Glycol has good compatibility with many cosmetic preservatives. It can be used alone or in combination with other preservatives or preservative synergists. For example, combination with raspberry ketone, 1,2-hexanediol, or ethylhexylglycerin can provide highly effective preservatives for a gentler preservative effect. It is also compatible with traditional preservatives.
INCI Code: Pentylene Glycol
Characteristics: Naturally derived, 100% bio-carbon source, ideal for green formulations. Easily biodegradable, aligning with the consumer philosophy of "green, environmentally friendly, and safe." A multifunctional antibacterial synergist with broad-spectrum antibacterial activity. Reduces the amount of traditional preservatives used, enhances the preservative effect of the formula, reduces formula irritation, and improves the naturalness of classic formulas. Can have a significant synergistic effect when combined with commonly used preservatives. Provides moisturizing and skin-nourishing effects while preserving, enhancing the moisturizing efficacy of products. High purity, low odor, and high safety, especially suitable for sensitive and delicate skin. Suitable for green, sustainable, and naturally derived claims, sensitive skin care, and safe, gentle, and non-irritating personal care formulation systems.














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