Emollient

Dipropylheptyl Carbonate

INCI: DIPROPYLHEPTYL CARBONATE

Reviewed by Kate · Last updated 14 Aug 2026

A lightweight emollient that conditions skin without a heavy feel

Best For Skin Types

All, Dry, Sensitive, Mature

Addresses

Dryness, Hydration, Barrier repair

Usage Frequency

Daily

What Is Dipropylheptyl Carbonate?

Dipropylheptyl carbonate is a synthetic emollient — a type of conditioning agent designed to soften and smooth the skin's surface. It belongs to the carbonate ester family of ingredients, which are commonly used in skincare formulations for their sensory and moisturising properties.

In a formula, this ingredient works primarily as a skin conditioner, helping to improve the texture and feel of products whilst also providing a light occlusive layer that can help reduce transepidermal water loss (TEWL).

How It Works

Dipropylheptyl carbonate is an occlusive emollient, meaning it sits on the skin's surface and forms a protective film. This film helps to reduce water loss from the skin, which is particularly useful in products designed to maintain hydration levels.

Unlike humectants (which draw water into the skin), this ingredient works by preventing existing moisture from evaporating. It also helps other ingredients in a formula spread more evenly and feel more pleasant on application.

Clinical Evidence & References

Published research specifically on dipropylheptyl carbonate in skincare is limited. However, as a carbonate ester emollient, it belongs to a well-established category of ingredients with a long history of safe use in cosmetics.

Its skin-conditioning and occlusive properties are consistent with similar emollients, though individual product efficacy will depend on concentration and formulation context. If you're considering a product containing this ingredient, focus on the overall formula rather than this ingredient alone.

How to Use

This ingredient is typically used as part of a complete formulation, so follow the usage instructions of the product it appears in. It pairs well with hydrating ingredients like glycerin or hyaluronic acid, and can be used both morning and evening depending on your skin's needs and the product type.

Safety & Precautions

Dipropylheptyl carbonate is generally well-tolerated and approved for use in cosmetics. It is non-comedogenic at typical concentrations, making it suitable for most skin types.

Frequently Asked Questions

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