Dipentaerythrityl Pentaisostearate

What is Dipentaerythrityl Pentaisostearate?

Dipentaerythrityl Pentaisostearate is a synthetic polyester ester derived from dipentaerythritol, a polyol produced via condensation of pentaerythritol, and isostearic acid, a branched saturated fatty acid obtained from high-oleic vegetable oils like sunflower. This reaction yields a viscous, tack-free wax-like material primarily employed in anhydrous color cosmetics such as lipsticks, lip balms, mascaras, and pressed powders. It functions by creating a cohesive matrix that binds pigments and fillers, enhancing product durability and payoff. As an emollient, its branched structure mimics skin lipids to lubricate the surface, promoting glide and reducing friction during application. Additionally, it solvates oil-soluble actives and conditions skin by supporting the barrier against dehydration in low-water systems.

Comedogenic Rating 0/5 Low risk of clogging pores

EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Binding

Provides cohesion by helping ingredients stick together, improving the strength and integrity of pressed powders, tablets, or solid bars.

Emollient

Softens and smooths skin by filling in surface roughness and improving slip; can also help reduce moisture loss when paired with occlusives and film formers.

Skin conditioning agent

Maintains skin softness, smoothness, and flexibility.

Solvent

Dissolves and carries other ingredients, helping control viscosity, evaporation rate, and delivery of actives in both water- and oil-based systems.

Benefits

Enhances skin softness and smoothness through lipid-like lubrication.

Provides binding strength for stable, long-wear makeup formulas.

Supports solvent action to evenly distribute oil-based ingredients.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit	Who Should Avoid
Individuals with dry or rough skin needing emollient effects.	People with rare allergies to fatty acid esters.
Makeup enthusiasts seeking improved adhesion and texture.	Those sensitive to synthetic polyol derivatives.
Users of solid cosmetics preferring non-comedogenic binders.	Individuals preferring strictly natural or plant-derived ingredients.

Safety Notes

Considered low hazard with minimal risk of irritation or sensitization.
Non-comedogenic, unlikely to clog pores.

Frequently Asked Questions about Dipentaerythrityl Pentaisostearate

What is Dipentaerythrityl Pentaisostearate used for?

It serves as an emollient, binder, skin conditioner, and solvent mainly in lip products and powders.

Is it safe for sensitive skin?

It poses low irritation risk based on safety assessments.

Does it clog pores?

No, with a comedogenic rating of 0.