Emollient

Dipentaerythrityl Tetraisostearate

INCI: DIPENTAERYTHRITYL TETRAISOSTEARATE

Reviewed by Emma · Last updated 14 Aug 2026

A lightweight emollient that conditions and softens the skin barrier

Best For Skin Types

All, Dry, Combination, Mature

Addresses

Dryness, Barrier repair

Usage Frequency

Daily

What Is Dipentaerythrityl Tetraisostearate?

Dipentaerythrityl tetraisostearate is a synthetic ester derived from pentaerythritol and isostearic acid. It functions as an emollient and skin conditioning agent, helping to soften and smooth the skin's surface.

This ingredient is used in skincare formulations to improve skin feel and texture. As a non-occlusive emollient, it works to condition the skin without leaving a heavy residue, making it a practical choice for a range of product types.

How It Works

As an emollient ester, dipentaerythrityl tetraisostearate works by depositing a thin, conditioning layer on the skin's surface. This helps to smooth irregularities in the skin texture and reduces transepidermal water loss, supporting skin hydration and comfort.

Unlike heavier occlusive ingredients, it is designed to be lightweight, allowing skin to feel comfortable and breathable whilst still providing conditioning benefits.

Clinical Evidence & References

Research specifically evaluating dipentaerythrityl tetraisostearate as a standalone ingredient is limited. However, as a member of the ester class of emollients, it is recognised in cosmetic chemistry for its skin conditioning properties and compatibility with various formulation types.

Esters of this type are generally regarded as safe and effective for skin conditioning applications. Evidence supports the use of similar emollients in improving skin texture and comfort, though individual formulation and concentration will influence efficacy.

How to Use

This ingredient is typically incorporated into finished products such as creams, lotions and serums rather than used as a standalone treatment. Follow the usage instructions on your product label. It can generally be used daily as part of your skincare routine, and may be layered with other actives without interaction concerns.

Safety & Precautions

Dipentaerythrityl tetraisostearate is generally well-tolerated and considered safe for topical use in cosmetics. It is non-irritating for most skin types, though those with known sensitivities to synthetic esters should patch test first.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations