Tallamide Dea: 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 Tallamide Dea?

Tallamide Dea is the cosmetic name for amides made from tall oil fatty acids that have been reacted with diethanolamine. Tall oil comes from pine trees and is collected as a by-product of the paper-pulp industry, making it a plant-based and readily available raw material. Chemists discovered in the mid-20th century that turning these fatty acids into amides created a mild, adaptable ingredient for personal care products. The production process involves refining tall oil, separating its fatty acids, then blending them with diethanolamine under controlled heat to form the final amide compound. After purification, the result is a clear to pale-yellow liquid that mixes well with water and other surfactants.

Because Tallamide Dea boosts lather, improves texture and cleans gently, manufacturers use it in many rinse-off formulas. You will often spot it in shampoos, body and face washes, bubble baths, liquid hand soaps, shaving creams and some cream-based scrubs. Its ability to thicken a formula while adding a rich foam makes it a favorite in products that need to feel lush yet rinse away with little residue.

Tallamide Dea’s Cosmetic Benefits/Uses

When added to a formulation Tallamide Dea offers several practical advantages:

  • Cleansing: Acts as a secondary surfactant that helps lift dirt, oil and product buildup from skin or hair, supporting the main cleaning agents for a thorough yet gentle wash
  • Foam Boosting: Increases the amount and stability of lather so the product feels richer and spreads more easily, which can improve user satisfaction and perceived effectiveness
  • Viscosity Controlling: Thickens watery mixtures into a pleasant gel or cream texture, allowing brands to fine-tune how quickly the formula pours or pumps and how it coats skin or hair

Who Can Use Tallamide Dea

Tallamide Dea is generally well tolerated by most skin and scalp types, including normal, oily, combination and dry skin. Its mild cleansing action makes it a good option for sensitive skin too, provided the overall formula is free of other harsher ingredients. It is usually unsuitable only for those who have a known allergy to diethanolamine-derived compounds or are extremely reactive to surfactants in general.

The ingredient is derived from tall oil, a plant-based by-product of the paper industry, and the rest of its manufacturing process is synthetic. No animal-derived substances are used so products containing Tallamide Dea are typically considered vegan and vegetarian friendly.

No specific warnings exist for pregnant or breastfeeding women. Current safety reviews have not linked topical use of Tallamide Dea at cosmetic levels to developmental or lactation risks. This is not medical advice and anyone who is expecting or nursing should run any skincare or haircare product by a healthcare professional to be sure it fits their individual situation.

Tallamide Dea does not increase photosensitivity, so daily use does not make skin more prone to sunburn. It also plays well with common skincare actives and preservatives and has no known issues with hair color treatments.

Potential Side Effects/Adverse Reactions

Side effects and reactions to topical Tallamide Dea vary from person to person. The points below list potential issues but they are uncommon when the ingredient is used at standard cosmetic concentrations and in well-formulated products.

  • Mild skin irritation such as redness or itching, especially on very sensitive skin
  • Allergic contact dermatitis in individuals allergic to diethanolamine derivatives
  • Eye stinging or watering if the product accidentally gets into the eyes
  • Dryness or slight stripping of natural oils when used in high-foaming cleansers

If you notice any of these effects discontinue use and consult a medical professional if discomfort persists.

Comedogenic Rating

Rating: 1/5 – Tallamide Dea is a water-miscible surfactant that rinses off easily, so it is very unlikely to linger in pores or form a greasy film that could trap dead skin cells. Because it stays mostly on the surface during cleansing and is removed with water, its potential to clog pores is low. Therefore it is generally suitable for people who are prone to acne or breakouts. Most rinse-off cleansers that use this ingredient also contain other water-soluble agents that further reduce any pore-blocking risk.

Summary

Tallamide Dea works as a mild helper surfactant that lifts dirt and oil, boosts foam for a richer lather and thickens formulas so they feel creamy instead of runny. It manages all three roles because its fatty amide part grabs on to oils while its diethanolamine part mixes with water, letting it clean, create bubbles and build viscosity in one step.

The ingredient enjoyed steady popularity in classic shampoos, body washes and bubble baths, though newer sulfate-free systems have taken some of the spotlight. Still, many formulators keep it in their tool kit because it is reliable, cost-effective and plant-derived.

Current safety assessments find Tallamide Dea safe at the levels used in rinse-off products. Reports of irritation or allergy are rare and usually mild. As with any new product, it is wise to do a quick patch test on a small area of skin before full use so you can spot any personal sensitivity early.

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