1,2 - Pentanediol (Pentylene Glycol) has the chemical formula C5H12O2. It is a colorless and transparent liquid, stable at room temperature, not easy to oxidize, and has low viscosity and good water-solubility. As a linear alkanediol with obvious polarity and non-polarity, it possesses unique properties ideal for high-performance cosmetics.
This multifunctional skincare ingredient delivers superior hydration while naturally enhancing product preservation. It serves as an exceptional humectant, solvent, and mild preservative booster, making it ideal for clean beauty formulations and sensitive skin care.
Attracts and retains moisture for plump, dewy skin.
Extends shelf life while reducing the need for harsh preservatives.
Non-greasy, fast-absorbing formula enhancer.
Gentle enough for sensitive and acne-prone skin.
The addition amount varies according to the type of cosmetic product. When used as an antibacterial agent, adding about 3.2% can achieve a good antibacterial effect. In general, it can be added in an appropriate amount according to the needs of formula design, usually in the range of a few percent.
It is commonly used in facial creams, eye creams, lotions, facial masks, and cleansers.

Widely used in facial creams, eye creams, lotions, facial masks, and cleansers to provide lasting moisture and improve texture.

Used in shampoos, conditioners, and hair creams to moisturize the scalp, reduce itching, and improve hair elasticity.

Enhanced water resistance in sunscreen creams and provides soothing, moisturizing effects in after-sun care products.