Sodium Diethylaminopropyl Cocoaspartamide: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 30, 2025
Share:
Inside this article:

We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Sodium Diethylaminopropyl Cocoaspartamide?

Sodium Diethylaminopropyl Cocoaspartamide is a mild surfactant made by joining fatty acids from coconut oil with the amino acid aspartic acid, then neutralizing the blend with sodium. The result is a water-friendly powder or liquid that helps water mix with oils and dirt. It first appeared in the early 2000s when formulators were looking for gentler alternatives to older sulfate surfactants. Production starts with coconut fatty acids that are reacted with aspartic acid to form a cocoaspartamide backbone. A diethylamino side chain is then attached to improve solubility and boost conditioning ability. Finally, the material is converted to its sodium salt so it can dissolve easily in water-based products.

You are most likely to see Sodium Diethylaminopropyl Cocoaspartamide in shampoos, conditioners, 2-in-1 cleansing conditioners, body washes, face washes, micellar waters and baby cleansing products. Its mild nature makes it popular in formulas aimed at sensitive skin and color-treated hair.

Sodium Diethylaminopropyl Cocoaspartamide’s Cosmetic Benefits/Uses

This ingredient offers two main functions that improve the feel and performance of many rinse-off products

  • Hair conditioning: Leaves a light, smooth film on the hair shaft that reduces static, makes combing easier and gives hair a soft touch without weighing it down
  • Cleansing: Acts as a gentle surfactant that lifts away excess oil, sweat and product buildup while keeping skin and hair from feeling stripped or squeaky

Who Can Use Sodium Diethylaminopropyl Cocoaspartamide

This gentle surfactant suits most skin and scalp types including dry, oily, combination and sensitive. Its coconut derived fatty acids clean without stripping so it rarely leaves skin tight or hair squeaky. The main group that may want to proceed with extra caution is anyone with a known allergy to coconut based ingredients since trace residuals could spark irritation.

The raw materials come from coconut oil and laboratory made amino acids, not from animals, so the ingredient is considered suitable for vegans and vegetarians. As always, final confirmation depends on a brand’s entire supply chain and manufacturing practices.

No current safety data suggest problems for people who are pregnant or breastfeeding when the ingredient is used in rinse off cosmetics. Still, this is not medical advice and anyone expecting or nursing should show their chosen products to a qualified doctor just to be on the safe side.

Sodium Diethylaminopropyl Cocoaspartamide does not increase photosensitivity so normal daytime sun protection habits are enough. It is also color safe which makes it a handy choice for those with dyed or chemically treated hair.

Potential Side Effects/Adverse Reactions

People can react differently to any cosmetic ingredient. The points below outline potential side effects linked to topical use of Sodium Diethylaminopropyl Cocoaspartamide though these issues are uncommon when the finished product is well formulated and used as directed

  • Mild skin or scalp irritation such as redness itching or a stinging sensation
  • Allergic contact dermatitis in individuals sensitive to coconut derivatives or amide surfactants
  • Temporary eye irritation if the product accidentally enters the eyes
  • Excess buildup in very fine hair which can leave strands feeling limp until the next wash

If you notice any of the above reactions stop using the product immediately and consult a healthcare professional for guidance

Comedogenic Rating

Rating: 1 out of 5. Sodium Diethylaminopropyl Cocoaspartamide is a water-soluble surfactant that quickly rinses off skin and hair, leaving little residue behind. It does not contain heavy oils or waxes that commonly clog pores and its molecular structure is too large to penetrate deeply into follicles. Because it is usually present at modest levels in rinse-off formulas, the chance of it contributing to blackheads or whiteheads is very low. This makes it generally suitable for people who are prone to acne or breakouts. One thing to note is that formulas rich in other occlusive ingredients could still be comedogenic even if this surfactant is not.

Summary

Sodium Diethylaminopropyl Cocoaspartamide is a coconut-derived surfactant that cleanses and conditions in one step. It lifts away dirt and oil while depositing a light conditioning film that tames static and improves slip. Its mildness and versatility have earned it a steady place in modern shampoos conditioners and gentle face or body washes, especially those marketed for sensitive skin.

Safety data rate the ingredient as low risk for irritation or sensitization when used as instructed and it is vegan friendly. Overall it is considered safe for daily use yet as with any new cosmetic product it is wise to perform a quick patch test on a small area before full application to confirm personal compatibility.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search