Aminopropyl Laurylglutamine: 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 23, 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 Aminopropyl Laurylglutamine?

Aminopropyl Laurylglutamine is a plant-derived ingredient created by joining the naturally occurring amino acid L-glutamine with lauric acid, a fatty acid found in coconut and palm kernel oils, then attaching a short three-carbon chain tipped with an amine group. The result is a mild, biodegradable molecule that behaves like a gentle surfactant. First explored in the 1990s as part of the search for skin- and hair-friendly cleansers that avoid the harshness of sulfates, it quickly found favor in personal care labs thanks to its low irritation profile and its ability to leave a soft feel on hair and skin.

Manufacturing relies on green chemistry principles. Producers ferment plant sugars to obtain L-glutamine, isolate lauric acid from vegetable oils, then use a controlled condensation reaction to link the two. The final step adds the aminopropyl arm, fine-tuning the charge balance so the ingredient can both cleanse and condition.

You are most likely to see Aminopropyl Laurylglutamine listed on the back of sulfate-free shampoos, micellar facial cleansers, baby washes, cream-to-foam face masks, leave-in hair conditioners, color-safe shampoos and anti-frizz styling creams. Because it is gentle and readily biodegradable, formulators often choose it for products marketed to sensitive skin, eco-conscious shoppers or anyone looking to cut back on sulfates.

Aminopropyl Laurylglutamine’s Cosmetic Benefits/Uses

In formulas this versatile ingredient fills several roles that enhance both performance and sensory feel

  • Antistatic: Helps neutralize the static charge that makes hair flyaway or cling to brushes so strands stay smoother and easier to style
  • Cleansing: Acts as a mild surfactant that lifts away dirt oil and buildup without stripping skin or hair of natural moisture making it ideal for daily-use cleansers and shampoos
  • Hair Conditioning: Deposits a light conditioning layer that improves softness slip and combability which can reduce breakage during detangling

Who Can Use Aminopropyl Laurylglutamine

This gentle surfactant suits most skin and hair types including dry, oily, combination and sensitive. Its mild nature means it is unlikely to provoke irritation or strip natural oils, though anyone with a confirmed allergy to coconut or palm derivatives should proceed with caution since the lauric acid portion often comes from those sources.

The molecule is entirely plant derived so it is appropriate for vegans and vegetarians. No animal by-products are involved at any stage of manufacture and suppliers typically certify it as cruelty free.

Current safety data show no reproductive or developmental concerns, so products containing Aminopropyl Laurylglutamine are generally considered safe for use during pregnancy or while breastfeeding. This is not medical advice and anyone who is pregnant or nursing should review their personal care routine with a qualified doctor before making changes.

The ingredient does not absorb UV light and is not known to increase photosensitivity. It also plays nicely with common actives such as niacinamide, vitamin C and AHAs so there are no special timing or layering rules to follow.

Potential Side Effects/Adverse Reactions

Responses to topical Aminopropyl Laurylglutamine differ from person to person. The points below list potential issues yet most users will not experience them when the ingredient is included at typical cosmetic levels in well-formulated products.

  • Mild redness or itching on very reactive or compromised skin
  • Stinging if the cleanser or shampoo accidentally gets into the eyes before rinsing
  • Contact dermatitis in individuals with a rare allergy to coconut or palm oil derivatives
  • Transient dryness when combined with high foaming surfactants in the same formula

If any discomfort or persistent irritation develops stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 0. Aminopropyl Laurylglutamine is highly water soluble and typically used in rinse-off products, so it does not linger on the skin long enough to block pores. Its molecular structure is designed to lift away oil and debris rather than deposit heavy residues, which further reduces clogging risk. In leave-on hair products the concentration is very low and the molecule carries a positive charge that helps it stay on the hair shaft instead of migrating onto facial skin.

Because of this non-clogging profile it is generally suitable for people prone to acne or breakouts.

If a formula pairs it with rich butters or waxes overall pore-clogging potential will depend on those additional ingredients, not on Aminopropyl Laurylglutamine itself.

Summary

Aminopropyl Laurylglutamine works as a mild cleanser, a light hair conditioner and an antistatic aid by combining a plant-derived amino acid with a fatty chain that can surround dirt while its amine tip anchors to hair and skin for slip and smoothness. The result is effective cleansing with a softer afterfeel than most sulfate surfactants along with reduced flyaways and easier detangling.

While not as famous as cocamidopropyl betaine or decyl glucoside, it is gradually gaining fans in premium sulfate-free shampoos and sensitive skin cleansers thanks to its gentle nature and green credentials.

Current research shows it is well tolerated for the vast majority of users with very low irritation or sensitization rates, yet patch testing any new product is always wise to confirm personal compatibility.

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