What Is Disodium C13-15 Hydroxy Alkanoyl/Isoalkanoyl Glutamate?
Disodium C13-15 Hydroxy Alkanoyl/Isoalkanoyl Glutamate is a plant-derived surfactant made by linking fatty acids with the amino acid glutamic acid. The fatty acids come from natural oils like coconut or palm that have been refined so that most chains contain 13 to 15 carbon atoms and a single hydroxyl group. Chemists combine these fatty acids with glutamic acid then neutralize the mix with sodium salts, producing a mild water-soluble powder or liquid.
The first versions of glutamate-based surfactants appeared in the late 1970s when formulators searched for skin-friendly alternatives to harsh sulfates. Because this ingredient cleans without stripping and is biodegradable it quickly found a place in “green” and sensitive-skin lines. Manufacturing involves esterifying the fatty acids to glutamic acid under heat, controlling the ratio of straight to branched chains for optimum foam, then adjusting pH to create the final disodium salt.
Today you will spot Disodium C13-15 Hydroxy Alkanoyl/Isoalkanoyl Glutamate in facial cleansers, micellar waters, sulfate-free shampoos, body washes, foaming masks, liquid hand soaps, baby washes and even makeup removers where a rich but gentle lather is desired.
Disodium C13-15 Hydroxy Alkanoyl/Isoalkanoyl Glutamate’s Cosmetic Benefits/Uses
This multitasker brings several perks to modern formulas
- Cleansing: Lifts away dirt, oil and makeup while keeping the skin’s natural barrier intact which means less tightness after rinsing
- Solvent: Helps dissolve oily residues and pigments so the finished product rinses off cleanly without film
- Emulsifying: Keeps water and oil phases blended which lets brands create stable creamy textures without heavy waxes
- Foam Boosting: Enhances bubble size and density giving users that satisfying cushiony lather that signals effective cleansing
Who Can Use Disodium C13-15 Hydroxy Alkanoyl/Isoalkanoyl Glutamate
This gentle surfactant suits nearly every skin type including oily, combination, normal and sensitive complexions thanks to its low irritation profile. Dry or eczema-prone users can still benefit but may want to pair it with richer moisturizers since any cleanser can remove some surface lipids. The ingredient is plant derived and contains no animal-based components so it aligns with vegan and vegetarian lifestyles.
No data link this compound to hormonal disruption or developmental toxicity, so products featuring it are generally seen as safe for those who are pregnant or breastfeeding. That said this is not medical advice and anyone expecting or nursing should ask a healthcare professional before adding new skincare to their routine.
Disodium C13-15 Hydroxy Alkanoyl/Isoalkanoyl Glutamate does not increase photosensitivity, so daytime use poses no extra risk of sunburn. It is also biodegradable, odorless and free of common allergens like gluten or nuts which makes it a versatile choice for many personal care formulas.
Potential Side Effects/Adverse Reactions
Reactions to topical Disodium C13-15 Hydroxy Alkanoyl/Isoalkanoyl Glutamate differ from person to person. The issues listed below are uncommon and most users will not notice any problems when the ingredient is properly formulated and used as directed.
- Transient eye stinging if the cleanser accidentally splashes into the eyes
- Mild skin dryness or tightness when used in very high concentrations or with prolonged contact
- Rare cases of redness or itching in individuals allergic to glutamic acid derivatives
- Scalp irritation for some people if left on without rinsing such as in leave-on hair products
If you experience any of these effects stop use immediately and consult a healthcare professional.
Comedogenic Rating
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Disodium C13-15 Hydroxy Alkanoyl/Isoalkanoyl Glutamate is a highly water-soluble surfactant that rinses clean without leaving oily or waxy residues that might clog pores. It has a low molecular weight, does not stay on the skin for long and breaks down into easily removable components, all of which keep its pore-blocking potential virtually nil.
Because of this, it is generally considered suitable for acne-prone or breakout-prone skin.
No published data suggest that it worsens comedonal acne even at higher use levels, and its biodegradability means it is unlikely to build up on the skin or in hair follicles over time.
Summary
Disodium C13-15 Hydroxy Alkanoyl/Isoalkanoyl Glutamate acts as a gentle cleanser, solvent, emulsifier and foam booster. By linking plant-derived fatty acids to the amino acid glutamic acid, chemists create a molecule that grabs onto oil with its fatty tail and water with its charged head, letting it lift grime while preserving the skin barrier. It stabilises oil-in-water mixtures so creams stay smooth and amplifies lather for a more luxurious wash experience.
The ingredient is popular in modern sulfate-free cleansers, baby washes and eco-friendly shampoos, though it is still less well-known than classic surfactants like sodium laureth sulfate. Formulators appreciate its mildness and green profile which are in growing demand.
Current safety data show a very low risk of irritation or toxicity, making it a safe choice for most users. As with any new skincare ingredient it is smart to patch test a small area first to rule out individual sensitivities.