Best For Skin Types
All, Oily, Dry, Combination, Sensitive, Mature
Addresses
Usage Frequency
Daily
What Is Diethylhexyl Succinate?
Diethylhexyl succinate is a synthetic ester derived from succinic acid and alcohols. In skincare formulations, it functions as an emollient and film-forming agent, meaning it helps soften the skin while creating a light protective layer on the surface.
It is used in relatively small amounts across skincare products, appearing in roughly 0.1% of formulations. Its primary role is to improve texture and spreadability whilst conditioning the skin without leaving a heavy residue.
How It Works
Diethylhexyl succinate works by positioning itself at the interface between the skin and the formulation. Its molecular structure allows it to both absorb into the outer skin layers and remain on the surface, creating a conditioning effect that feels non-occlusive.
It also improves how a product spreads and absorbs, which means other active ingredients in the formula can be distributed more evenly across the skin.
Clinical Evidence & References
Research specifically evaluating diethylhexyl succinate in skincare is limited. What evidence exists supports its use as a well-tolerated conditioning agent in cosmetic formulations, though large-scale clinical studies in human subjects are not readily available.
It is widely used in the cosmetics industry based on decades of safety data and practical performance, but consumers should be aware that direct efficacy claims rest primarily on its established cosmetic properties rather than extensive clinical research.
How to Use
Diethylhexyl succinate is a supporting ingredient rather than an active, so there are no special usage instructions. It performs best when part of a well-formulated product; simply use your skincare as directed. Because it aids spreadability, products containing it often feel easier to apply and blend.
Safety & Precautions
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 quizRelated Ingredients
Diethylhexyl Carbonate
Synthetic oil-like ester | Functions as a skin-conditioning agent and emollient
Diethylhexyl Malate
Emollient and skin-conditioning agent derived from the solvent
Diethylhexyl Maleate
A synthetic emollient that softens and conditions the skin barrier
Diheptyl Succinate
Lightweight, emollient texture enhancer Sometimes used as a replacement for silicones in cosmetics
Diisopropyl Adipate
Fatty acid ester of isopropyl alcohol and adipic acid
Diisopropyl Dimer Dilinoleate
A synthetic ester that functions as a skin-conditioning agent and emollient
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.