What Is Diammonium Lauryl Sulfosuccinate?
Diammonium lauryl sulfosuccinate, also listed on labels as diammonium C-dodecyl sulphonatosuccinate, is a mild cleansing agent made from lauryl alcohol that comes from coconut or palm oil. Chemists bond this fatty alcohol to a succinic acid backbone and add ammonium salts, creating a large water-loving head and an oil-loving tail. This split personality lets it lift dirt and excess oil while rinsing away easily with water.
The ingredient appeared in personal care during the 1970s as brands searched for gentler alternatives to traditional sulfates. Its balanced charge gives it a softer touch on skin and hair, so it quickly found a home in baby shampoos, sulfate-free cleansers and spa-style bath products. Production starts with plant-derived lauryl alcohol, which is reacted with maleic anhydride then sulfonated and neutralized with ammonia. The final liquid or paste is filtered, tested for purity and blended into finished formulas.
You will spot diammonium lauryl sulfosuccinate in face and body washes, bubble baths, micellar waters, scalp scrubs, makeup removing wipes, cream cleansers, foaming masks and even some gentle pet shampoos. Its versatility comes from being effective yet kind to skin, making it a popular choice for products aimed at sensitive users.
Diammonium Lauryl Sulfosuccinate’s Cosmetic Benefits/Uses
This multitasking ingredient improves both how a product works and how it feels
- Cleansing – lifts oil, sweat and everyday grime so they rinse off without stripping the skin’s natural barrier
- Foaming – creates a rich, stable lather that helps spread the product evenly and gives a satisfying sensory experience
- Skin conditioning – leaves a soft, conditioned after-feel which reduces the tightness sometimes linked to washing
- Hydrotrope – helps keep oils, fragrances and active ingredients evenly mixed so the formula stays clear and effective over time
Who Can Use Diammonium Lauryl Sulfosuccinate
Diammonium lauryl sulfosuccinate is generally well tolerated by all skin types including dry, oily, combination and sensitive because its large molecular size keeps it from penetrating deeply and its balanced charge minimizes disruption to the skin barrier. Those with extremely compromised or broken skin may still experience stinging so a gentler non foaming cleanser could be a better choice until the skin recovers.
The molecule is manufactured from plant sourced fatty alcohols and neutralized with synthetic ammonia so it contains no animal derived raw materials. For that reason products using this surfactant are usually suitable for vegetarians and vegans unless other ingredients in the formula are of animal origin.
Current safety data show no reproductive or developmental concerns at the very low levels used in cosmetics. Pregnant or breastfeeding individuals can therefore use products containing diammonium lauryl sulfosuccinate, but this is not medical advice and anyone expecting or nursing should double-check any skincare routine with a doctor just to be safe.
The ingredient does not make skin more sensitive to sunlight and it has no known phototoxic properties. It also plays well with common actives like vitamin C, niacinamide and exfoliating acids without inactivating them.
Potential Side Effects/Adverse Reactions
Responses to topical diammonium lauryl sulfosuccinate differ from person to person. The points below list potential side effects that could occur, although they are uncommon when the ingredient is formulated and used correctly.
- Mild eye irritation if the foam accidentally gets into the eyes
- Temporary dryness or tightness on very dehydrated skin if used in high concentration or left on too long
- Redness or stinging on broken or compromised skin
- Contact dermatitis in rare cases of individual sensitivity to sulfosuccinate surfactants
- Scalp irritation such as itching or flaking when used in shampoos by those with pre existing scalp conditions
If any of these reactions occur discontinue use, rinse the area thoroughly with water and seek medical advice where necessary.
Comedogenic Rating
Rating: 1/5
Diammonium lauryl sulfosuccinate earns a low score because its large, highly water-soluble molecule does not linger on skin or clog pores. Most products using it are wash-off, so any residue is minimal. This makes it suitable for people who are prone to acne or breakouts.
Comedogenicity can rise slightly if the formula also contains heavier oils or butters, but the surfactant itself poses very little risk in that regard.
Summary
Diammonium lauryl sulfosuccinate works as a gentle cleanser, dense lather builder, mild skin conditioner and hydrotrope. Its amphiphilic structure lets the oil-loving tail grab dirt while the water-loving head carries it away, leaving skin clean yet comfortable.
Although not as famous as sodium laureth sulfate it is popular in sulfate-free and sensitive-skin products because it offers similar cleansing power with far less irritation. Safety data show it to be non-toxic and well tolerated at cosmetic levels. As with any new skincare product it is wise to do a quick patch test before full use.