Astrocaryum Vulgare Oil Polyglyceryl-6 Esters: 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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All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Astrocaryum Vulgare Oil Polyglyceryl-6 Esters?

Astrocaryum Vulgare Oil Polyglyceryl-6 Esters is a plant-derived ingredient created from the golden-orange kernels of the tucumã palm (Astrocaryum vulgare) native to the Amazon. Tucumã kernel oil is naturally rich in medium-chain fatty acids such as lauric and myristic acid that give it a buttery texture and quick-absorbing feel. When this oil is joined with polyglycerin-6 through a process called transesterification, the result is a hybrid molecule that keeps the softness of the oil while gaining the water-friendly nature of glycerin. This dual personality lets formulators blend rich oils into light, stable creams without extra surfactants.

The beauty industry began turning to tucumã oil in the early 2000s as consumers looked for exotic botanicals that support rainforest economies. Chemists soon discovered that pairing the oil with polyglycerin-6 created an eco-friendly alternative to petroleum-based emulsifiers. The finished ester is produced by heating the oil with food-grade polyglycerin under controlled conditions then purifying it to remove any unreacted material.

You will spot Astrocaryum Vulgare Oil Polyglyceryl-6 Esters in moisturizers, lightweight facial lotions, anti-aging creams, leave-in hair treatments, cleansing balms, creamy face masks and makeup removers where it offers a smooth feel without a greasy finish.

Astrocaryum Vulgare Oil Polyglyceryl-6 Esters’s Cosmetic Benefits/Uses

This multitasking ester improves both the feel of a product and its overall stability.

  • Emollient: Softens and smooths skin or hair by filling in microscopic cracks on the surface which leaves a velvety, conditioned finish
  • Emulsifying: Helps oil and water blend into a uniform cream so formulas stay stable over time and feel light instead of oily

Who Can Use Astrocaryum Vulgare Oil Polyglyceryl-6 Esters

This silky ester suits most skin types, including dry, normal and combination skin, because it sinks in fast and leaves a soft after-feel without heavy residue. People with oily or acne-prone skin can often use it too thanks to its light texture, though anyone who knows they react poorly to richer plant oils may prefer to patch test a product first.

The ingredient is 100 percent plant based and does not involve any animal-derived material so it is suitable for both vegans and vegetarians.

Pregnant or breastfeeding women are not known to face any special concerns with this ester because it is applied topically and has no reported hormonal activity. That said this is not medical advice and anyone who is expecting or nursing should run new skincare products past a healthcare professional to be safe.

Astrocaryum Vulgare Oil Polyglyceryl-6 Esters is not photosensitising, meaning it will not make skin more sensitive to sunlight. Daily sunscreen is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Side effects from topical use of Astrocaryum Vulgare Oil Polyglyceryl-6 Esters can vary from person to person. The issues listed below are possible yet unlikely for most users when the ingredient is formulated correctly.

  • Allergic contact dermatitis in individuals sensitive to palm or nut oils
  • Mild clogged pores or breakouts in those who are very acne prone
  • Temporary redness or stinging if applied to broken or highly irritated skin
  • Eye irritation if the product accidentally gets into the eyes

If any uncomfortable reaction occurs stop using the product and seek advice from a healthcare professional.

Comedogenic Rating

Rating: 2 / 5 – The native tucumã oil portion contains lauric and myristic acids that can clog pores in some people, but the esterification with polyglycerin-6 cuts the greasiness and lowers its tendency to sit in follicles. Finished formulas that include this ester usually feel lightweight and rinse clean, further reducing buildup. Overall it is considered low to mildly comedogenic so most acne-prone users can tolerate it, though those who break out from coconut-type oils may still wish to keep an eye on their skin.

Comedogenicity also depends on the full recipe: heavy butters, waxes or occlusive silicones paired with the ester can raise the pore-clogging potential, while light gel-cream bases keep it minimal.

Summary

Astrocaryum Vulgare Oil Polyglyceryl-6 Esters is a plant-based multitasker that softens skin and hair as an emollient while acting as a gentle emulsifier that binds oil and water into smooth stable creams. The fatty acid side of the molecule cushions and conditions, the polyglycerin side pulls it evenly through watery bases so products feel silky instead of slick.

It is still a niche ingredient seen mostly in clean beauty launches and indie brands that spotlight Amazonian botanicals, but its ability to replace synthetic emulsifiers is making it pop up in more mainstream moisturizers and makeup removers every year.

Safety data shows it is generally well tolerated with a low risk of irritation or sensitization. As with any new cosmetic it is smart to patch test a small area first to confirm your skin agrees with it before applying liberally.

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