Cocamide DEA — Allergy Risk & Safety Profile
INCI: COCAMIDE DEA
Also known as: Coconut Diethanolamide
Key Facts
- CAS Number
- 68603-42-9
- Category
- surfactant
- Risk Level
- medium
- Common Allergen
- No
Is Cocamide DEA safe in cosmetics?
Cocamide DEA is rated medium risk in cosmetic products. It is not classified as a common allergen and is generally well-tolerated by most skin types. Safer alternatives include Decyl Glucoside, Coco Glucoside, Sodium Cocoyl Isethionate.
What is Cocamide DEA?
Foam booster. Listed as possible carcinogen by IARC. Being phased out in many formulations.
Allergy & Safety Information
Cocamide DEA is generally safe for most people but may cause irritation or allergic reactions in sensitive individuals. If you experience redness, itching, or swelling after using a product with this ingredient, discontinue use and consult a dermatologist.
This ingredient carries moderate allergenicity risk. It can cause reactions in sensitised individuals but has a lower sensitisation rate than high-risk ingredients. Patch testing before full use is advisable for anyone with a history of cosmetic reactions.
About Surfactant / Cleansing Agent Ingredients
Surfactants reduce surface tension between water and oil, allowing products to cleanse, foam, and emulsify. They are essential in shampoos, cleansers, and body washes. However, surfactants vary widely in irritation potential — from harsh (sodium lauryl sulfate) to very mild (sodium lauroyl sarcosinate, decyl glucoside).
Relevance for Cocamide DEA: Repeated daily use of strong surfactants disrupts the skin barrier by removing natural lipids, increasing sensitivity to other allergens over time. If you have reactive or eczema-prone skin, choosing low-irritation surfactants and limiting wash time reduces barrier damage.
How to Identify Cocamide DEA in Products
Cosmetic ingredients are listed by their INCI (International Nomenclature of Cosmetic Ingredients) name in descending order of concentration. To check whether a product contains Cocamide DEA, scan the ingredient list for its INCI name exactly as it appears above. Ingredients present at 1% or less may appear in any order after the 1% threshold.
Not sure if your products contain Cocamide DEA? Paste the ingredient list into the free ingredient checker to scan for Cocamide DEA and other allergens automatically.
Safer Alternatives
These ingredients serve a similar function with lower allergy risk:
Frequently Asked Questions
Is Cocamide DEA safe for sensitive skin?
Cocamide DEA may cause reactions in some sensitive individuals. Patch testing is advisable.
What products contain Cocamide DEA?
Cocamide DEA is found in various cosmetic and personal care products including skincare, haircare, and body care products.
What does Cocamide DEA do in cosmetics?
Cocamide DEA functions as a surfactant in formulations.
Related Guides
Sulfates in Skincare & Shampoo
Which surfactants damage the barrier and safer alternatives.
How to Read Ingredient Labels
Decode INCI names and find hidden allergens in your products.
Find Your Skin Allergy Trigger
Step-by-step elimination method to identify your trigger.
Contact Dermatitis Guide
Symptoms, causes, patch testing, and treatment options.
Is Cocamide DEA causing YOUR skin reactions?
SkinDetekt tracks your products and reactions to find your personal triggers. Download the app to find out.
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