Tea-Cocoyl Glutaminate: 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
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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 Tea-Cocoyl Glutaminate?

Tea-Cocoyl Glutaminate is a mild cleansing agent created by linking fatty acids from coconut oil to the amino acid glutamic acid and then neutralizing the blend with triethanolamine. The result is a gentle surfactant that carries the skin friendly traits of amino acids and the foaming power of coconut-derived lipids. It emerged in the late 20th century when formulators began searching for alternatives to harsher sulfates that could still create a satisfying lather. Production starts with sustainably sourced coconut oil that is split into individual fatty acids. These acids are reacted with fermented plant-based glutamic acid to form cocoyl glutamic acid, which is then combined with triethanolamine to make the water-soluble salt used in cosmetics. Thanks to its gentle nature and ability to create a creamy foam even in hard water, Tea-Cocoyl Glutaminate is now common in sulfate free shampoos, facial cleansers, micellar waters, body washes, baby washes, hand soaps and even some luxurious shaving creams.

Tea-Cocoyl Glutaminate’s Cosmetic Benefits/Uses

In formulas Tea-Cocoyl Glutaminate serves a single yet essential purpose: cleansing. As a surfactant it lowers the surface tension of water so oil, dirt and makeup lift away easily when the product is rinsed off. Because the molecule is derived from amino acids it is far less likely to strip the skin or scalp of its natural oils, leaving them feeling soft rather than tight. This balance of effective cleansing with a mild after-feel makes it a popular choice for daily use products and for people with sensitive or dry skin.

Who Can Use Tea-Cocoyl Glutaminate

Because it is a very mild surfactant Tea-Cocoyl Glutaminate plays nicely with nearly every skin type. Dry and sensitive skin benefit from its gentle cleansing action that does not strip natural oils while normal and oily skin still get an effective cleanse without squeaky tightness. It is not known to aggravate conditions like acne rosacea or eczema though, as with any cleanser, formula specifics matter.

The ingredient is made from coconut derived fatty acids, plant based glutamic acid and a synthetic neutralizer so it contains no animal-derived matter. That makes it suitable for both vegans and vegetarians provided the finished product is certified cruelty free.

No studies have flagged any special concerns for women who are pregnant or breastfeeding. The molecule stays on the surface of the skin and is rinsed away quickly which keeps systemic exposure negligible. This is not medical advice and anyone who is expecting or nursing should still run new products past a qualified doctor to be safe.

Tea-Cocoyl Glutaminate does not make skin more sensitive to sunlight, so there is no additional need for daytime sun precautions beyond a normal broad spectrum sunscreen. It is also considered color safe for hair and compatible with most other common skincare ingredients.

Potential Side Effects/Adverse Reactions

Reactions to topical Tea-Cocoyl Glutaminate vary from person to person. The points below list potential side effects but they are uncommon for the average user when the ingredient is correctly formulated and rinsed off.

  • Temporary eye irritation if the cleanser accidentally gets into the eyes
  • Mild skin irritation or redness in very sensitive individuals
  • Allergic contact dermatitis in people with existing allergies to coconut derivatives or triethanolamine compounds
  • Excessive dryness or tightness if the product is left on the skin for an extended period
  • Enhanced penetration of potent actives applied immediately afterward which could amplify their irritant potential

If any discomfort or reaction occurs discontinue use and seek advice from a healthcare professional.

Comedogenic Rating

Rating: 0/5 – Tea-Cocoyl Glutaminate is a water-soluble surfactant that rinses cleanly off the skin and leaves virtually no oily residue, so it has no tendency to clog pores. Its molecular structure is more hydrophilic than lipophilic which further limits its ability to lodge inside follicles. This makes it a suitable choice for people who are prone to acne or breakouts. Because it is almost always used in rinse-off products, any fleeting contact it has with the skin is unlikely to create a pore-blocking film. Formulation choices like heavy oils or waxes elsewhere in the product can still affect overall comedogenicity, but the ingredient itself is considered non-comedogenic.

Summary

Tea-Cocoyl Glutaminate is a gentle cleanser that lifts away dirt, oil and makeup by lowering water’s surface tension while sparing the skin’s natural lipids. It pairs amino acid softness with coconut-derived foaming power, delivering a creamy lather that feels mild and leaves skin comfortable rather than tight.

The ingredient has gained steady traction over the past decade as brands look for sulfate-free options that still satisfy consumers who love rich foam. You’ll spot it most often in premium shampoos, facial cleansers and baby washes, though it hasn’t reached the ubiquity of classics like Cocamidopropyl Betaine just yet.

Overall safety is high: it is non-comedogenic, biodegradable and rarely irritating when properly formulated. As with any new cosmetic ingredient it’s wise to perform a quick patch test when trying a product containing Tea-Cocoyl Glutaminate, especially if you have very sensitive or reactive skin.

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