Pentylene Glycol 1 L

Pentylene Glycol for Lightweight Serums Toners and Cream Gel Formulas

Pentylene Glycol is a water-compatible multifunctional cosmetic ingredient used as a humectant, co-solvent, sensory modifier, and preservation-supporting material. It is suitable for serums, toners, creams, gels, masks, shampoos, scalp care, body products, and water-based color cosmetics. Within the Mylo Opt catalog, it belongs to the Solvents and Humectants category.

INCI: Pentylene Glycol.

The ingredient is particularly useful in lightweight formulations where hydration and smooth application are required without a heavy oily residue or excessive tack.

It can perform several technical functions within the same product, but its final role depends on concentration, formulation type, and the other humectants, solvents, and preservation materials present.

Lightweight hydration systems

Pentylene Glycol helps bind water and supports a comfortable skin feel.

It can be combined with glycerin, betaine, sodium hyaluronate, panthenol, amino acids, and botanical polysaccharides.

In fluid gels and toners, the ingredient may help reduce the tack associated with high glycerin levels.

For dry skin formulas, Pentylene Glycol can be paired with squalane, ceramides, phytosterols, and emollient oils to support both hydration and barrier care.

Co-solvent function

Pentylene Glycol may assist in the incorporation of selected botanical extracts, organic acids, fragrance materials, and cosmetic actives.

Every raw material requires an individual solubility test. Pentylene Glycol is not a universal solubilizer and does not automatically make essential oils transparent in water.

A difficult-to-disperse active may be pre-blended with Pentylene Glycol before gradual addition to the main aqueous phase.

Clear formulations should be observed for haze, crystals, sediment, color changes, and viscosity drift.

Preservation enhancement

Pentylene Glycol is frequently included to support the performance of a complete preservation system.

It may be used with phenoxyethanol, ethylhexylglycerin, organic acids, and other approved preservation materials.

The finished product cannot be considered adequately protected solely because Pentylene Glycol is present. Appropriate microbial challenge testing is required.

Formulas containing hydrosols, proteins, botanical extracts, or other naturally derived materials require particular attention.

Serums and toners

Pentylene Glycol is suitable for hydrating, brightening, balancing, and anti-age serums.

Compatible active concepts may include niacinamide, peptides, panthenol, sodium hyaluronate, amino acids, and botanical extracts.

In toners, the ingredient supports even application and can contribute to a less sticky after-feel.

Acid-containing formulas require verification of pH, active solubility, preservation, and long-term stability.

Creams and emulsions

Pentylene Glycol is normally incorporated into the aqueous phase of an emulsion.

It can be used in daily moisturizers, night creams, cream gels, hand products, body emulsions, and eye-area formulas.

Light lipid phases may include squalane, MCT oil, jojoba oil, and neutral emollients. Richer products can include ceramides and other barrier lipids.

When carbomer, xanthan gum, or cellulose thickeners are used, the final viscosity should be assessed because co-solvents can influence gel structure.

Hair and scalp care

Pentylene Glycol can be added to shampoos, conditioners, hair masks, leave-in sprays, and scalp serums.

It supports the aqueous delivery of compatible actives and can be combined with panthenol, niacinamide, betaine, amino acids, and botanical extracts.

In leave-in products, it may improve spreading while maintaining a lightweight sensory profile.

The finished formula should be tested for tack, clarity, viscosity, surfactant compatibility, and package stability.

Color cosmetics and body care

The ingredient is used in foundations, primers, liquid eye products, mascara, and other water-containing color cosmetics.

Dedicated dispersants and rheology modifiers are still required for stable pigment distribution.

Pentylene Glycol is also suitable for body lotions, gels, deodorants, after-shave products, and sheet-mask essences.

Use level and processing

A practical starting range is approximately 1-5%. Higher levels may be used in selected systems after evaluation of skin feel, preservation, and formulation stability.

Add Pentylene Glycol directly to the aqueous phase at room temperature or during heating. Standard mixing is normally sufficient.

After production, verify pH, clarity, viscosity, odor, appearance, preservation, and long-term stability.

Store the material in a tightly closed container protected from contamination and excessive heat.

Pentylene Glycol balancing serum

Purified Water 83 ml

Pentylene Glycol 5 ml

Linden Hydrosol 5 ml

Betaine 2 g

Panthenol 1 ml

Niacinamide 2 g

Glycerin 1 ml

Hydroxyethylcellulose 0.4 g

Preservative 0.6 ml

Pre-disperse hydroxyethylcellulose in glycerin and add it gradually to purified water. Allow full hydration, then dissolve betaine and niacinamide. Add linden hydrosol, panthenol, and Pentylene Glycol. Incorporate the preservative, mix gently, and verify pH, clarity, viscosity, and stability.