Tea-Lauroyl Sarcosinate: 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-Lauroyl Sarcosinate?

Tea-Lauroyl Sarcosinate is a mild surfactant created by joining lauric acid, a fatty acid usually taken from coconut or palm oil, with sarcosine, a naturally occurring amino acid derivative. The resulting lauroyl sarcosine is then neutralized with triethanolamine (TEA) to form Tea-Lauroyl Sarcosinate, giving the ingredient its full name N-Methyl-N-(1-oxododecyl)glycine, compound with 2,2′,2”-nitrilotri(ethanol).

The ingredient began appearing in personal care products in the late 1970s when formulators were looking for gentler alternatives to traditional sulfates. Because it produces a creamy, stable foam without stripping skin or hair, it quickly found a place in shampoos and facial cleansers aimed at sensitive users.

Manufacturing starts with plant-based lauric acid that is reacted with sarcosine to create lauroyl sarcosine. This intermediate is then combined with TEA, yielding a water-soluble powder or liquid that blends easily into cosmetic bases. Its versatile nature lets chemists fine-tune cleansing strength and foam texture while keeping formulas mild.

Today you will spot Tea-Lauroyl Sarcosinate in a wide range of wash-off products such as shampoos, shower gels, facial cleansers, micellar waters and bubble baths. It also appears in some toothpaste, makeup removers and scalp scrubs where a rich yet gentle lather is desired.

Tea-Lauroyl Sarcosinate’s Cosmetic Benefits/Uses

In formulas this multi-tasker brings several helpful properties

  • Antistatic – Reduces static electricity on hair so strands stay smoother and easier to manage
  • Cleansing – Lifts away dirt, oil and product buildup without over-drying skin or hair
  • Foaming – Creates a dense, creamy lather that improves user experience and aids even spread of the product
  • Hair Conditioning – Leaves a light conditioning film that enhances softness and slip making detangling simpler

Who Can Use Tea-Lauroyl Sarcosinate

Thanks to its mild nature Tea-Lauroyl Sarcosinate suits nearly every skin type including sensitive oily combination and normal skin. People with very dry or eczema-prone skin may still want a formula paired with richer moisturizers since any surfactant can contribute to dryness if overused.

The ingredient is produced from plant-derived fatty acids and synthetic amino acid derivatives with no animal by-products so it is generally considered suitable for vegans and vegetarians. As always it is wise to check the finished product for cruelty-free certification and verify that no animal testing was involved.

Current safety data show no specific risks for pregnant or breastfeeding women when the ingredient is used topically in rinse-off products. This is not medical advice and anyone who is pregnant or nursing should review their personal care routine with a qualified doctor out of an abundance of caution.

Tea-Lauroyl Sarcosinate is not known to cause photosensitivity therefore it will not make skin more prone to sunburn. It is also color-safe for treated hair and works well in hard-water areas where some cleansers lose effectiveness.

Potential Side Effects/Adverse Reactions

Responses to topical Tea-Lauroyl Sarcosinate can vary from person to person. The points below outline potential but uncommon side effects when the ingredient is used correctly in cosmetic formulas. Most users will experience none of these issues.

  • Mild skin irritation – transient redness or tingling, usually at higher concentrations or on broken skin
  • Eye stinging – temporary discomfort if the cleanser accidentally gets into the eyes
  • Dryness or tightness – a stripped feeling in very dry or compromised skin if the product is left on too long or not followed with moisturizer
  • Allergic contact dermatitis – rare rash or itching in individuals sensitive to sarcosine derivatives or triethanolamine

If you experience any persistent irritation or adverse reaction stop using the product and seek advice from a healthcare professional.

Comedogenic Rating

Rating: 0 out of 5. Tea-Lauroyl Sarcosinate is water soluble and does not leave an oily or waxy residue that could clog pores. It rinses away cleanly which keeps it from building up inside follicles.

Because of this low rating the ingredient is generally suitable for people who are prone to acne and breakouts.

Its mildness also means it is often paired with other gentle surfactants in acne cleansers to lower the overall irritation level while still giving a pleasant foam.

Summary

Tea-Lauroyl Sarcosinate is valued for four key jobs: cleansing, foaming, antistatic action and light hair conditioning. It lifts away dirt and oil while forming a rich creamy lather that spreads easily. After rinsing it leaves a thin conditioning layer that smooths hair and cuts static.

The ingredient is popular in sulfate free shampoos face washes and body cleansers aimed at sensitive users. Formulators appreciate its balance of mildness and effective foam so you will often find it in modern gentle wash products.

Current research shows it is safe for use in rinse off formulas with only rare reports of irritation. As with any new product it is wise to patch test first so you can be sure your skin reacts well.

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