What Is Glyceryl Stearate Dimer Dilinoleate Copolymer?
Glyceryl Stearate Dimer Dilinoleate Copolymer is a blend of esters made from glyceryl stearate and dilinoleic acid, both of which come from plant oils such as soybean or sunflower. Chemists link these fatty components together to form a larger molecule that behaves like a soft wax. It first appeared in skin care labs in the late 1990s when formulators searched for natural feeling alternatives to petrolatum based emollients. To create it, manufacturers begin with glycerin, stearic acid, and linoleic acid. They join the acids to glycerin through controlled heating, then dimerize part of the linoleic acid so the final material has both straight chain and branched fatty segments. The result is a viscous yet spreadable substance that melts on contact with skin. You will spot it in moisturizers, night creams, rich body butters, nourishing masks, and age defense serums where a cushiony finish is desired.
Glyceryl Stearate Dimer Dilinoleate Copolymer’s Cosmetic Benefits/Uses
This ingredient serves as a skin conditioning agent, helping products feel nicer and work better on the skin. Its oily backbone smooths rough patches, traps water in the upper layers, and leaves a velvety after feel without an oily shine. Because it is a large molecule, it also helps thicken formulas slightly so creams stay stable and easy to spread.
Who Can Use Glyceryl Stearate Dimer Dilinoleate Copolymer
This soft wax works well for most skin types, especially normal to dry skin that needs extra cushioning and moisture. Oily or acne-prone skin can also tolerate it because it leaves minimal greasy residue, though very blemish-prone users might prefer lighter textures.
The ingredient comes from vegetable sources such as soybean or sunflower oil, so it is suitable for vegans and vegetarians.
No data show specific risks for pregnant or breastfeeding women when the ingredient is used in a cosmetic formula at standard levels. Still, this is not medical advice, and anyone expecting or nursing should check with a healthcare professional before adding new skincare products.
Glyceryl Stearate Dimer Dilinoleate Copolymer does not increase photosensitivity and can be used year-round without extra sun-related precautions beyond daily sunscreen.
Potential Side Effects/Adverse Reactions
Reactions to topical Glyceryl Stearate Dimer Dilinoleate Copolymer vary from person to person. The effects listed below are possible yet uncommon for most users when the ingredient is properly formulated into a product.
- Mild redness or irritation in very sensitive skin
- Temporary clogged pores if used in heavy layers on acne-prone skin
- Allergic contact dermatitis in individuals with specific fatty acid allergies
If you notice any persistent discomfort stop using the product and consult a healthcare professional.
Comedogenic Rating
Glyceryl Stearate Dimer Dilinoleate Copolymer is typically assigned a comedogenic rating of 1 on a 0-5 scale. Its large, branched structure makes it less likely to slip deep into pores compared with lighter straight-chain oils, so it rarely traps debris long enough to form a clog. The ingredient also melts quickly on the skin then forms a breathable film rather than a heavy grease layer, which further lowers the risk of blocked pores. Because of this low rating most people who are prone to acne or breakouts can use it without major issues, though extremely oily skins may still prefer lighter textures. Formulation context matters: when paired with high levels of other rich oils or waxes the overall product may feel heavier even if this single ingredient is low risk.
Summary
Glyceryl Stearate Dimer Dilinoleate Copolymer softens, conditions and lightly thickens skincare formulas by surrounding the skin with a cushiony film that slows water loss while leaving a velvety touch. Its dual fatty makeup gives products slip and stability so creams spread evenly and feel more luxurious. Although not as famous as ingredients like shea butter or hyaluronic acid it appears in a steady stream of moisturizers masks and body butters because formulators value its plant-based origin and elegant skin feel. Current safety data show it is well tolerated for most users with only rare reports of irritation or pore congestion. As with any new cosmetic ingredient it is wise to patch test a fresh product on a small area first to confirm personal compatibility.