Sunflower Seed 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 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 Sunflower Seed Oil Polyglyceryl-6 Esters?

Sunflower Seed Oil Polyglyceryl-6 Esters comes from the seeds of the sunflower plant combined with a plant-derived molecule called polyglycerin-6. Chemists join the two through a process known as transesterification, which swaps parts of the sunflower oil with parts of the polyglycerin to create a new, water-friendly fat. This blend keeps the helpful fatty acids of sunflower oil while adding multiple glycerin units that love water.

The path to cosmetic use began as formulators searched for natural replacements for petrochemical emulsifiers. Sunflower oil has been used in skin care for decades and polyglycerins are known for their mildness, so merging them offered a gentle way to keep oil and water mixed. Today the ingredient is made in controlled reactors where heat, a safe catalyst and careful stirring drive the swap reaction. After purification the ester looks like a clear to pale yellow liquid or soft paste.

You will find Sunflower Seed Oil Polyglyceryl-6 Esters in products that need a stable blend of oils and water such as creams, lotions, milky cleansers, face masks, sunscreens, baby care formulas, hair conditioners and lightweight serums.

Sunflower Seed Oil Polyglyceryl-6 Esters’s Cosmetic Benefits/Uses

This ingredient earns its place in formulas by keeping mixtures smooth and uniform.

  • Emulsion stabilising: It strengthens the bond between the water and oil phases so the product stays creamy without separating during storage or use. This means a longer shelf life and a better feel every time you apply it.
  • Emulsifying: It helps form the emulsion in the first place, allowing brands to create light, pleasant textures that spread easily and absorb well without leaving a greasy film.

Who Can Use Sunflower Seed Oil Polyglyceryl-6 Esters

Because it is both gentle and lightweight, Sunflower Seed Oil Polyglyceryl-6 Esters suits nearly every skin type including dry, oily, combination and sensitive skin. Its low occlusive nature means it will not clog pores as easily as heavier oils, making it a good choice for acne-prone complexions as well. People with a known sunflower seed allergy should avoid it since trace proteins could remain after processing.

The ingredient is manufactured solely from plant sources, so it is considered suitable for vegans and vegetarians. No animal derivatives or animal testing are involved in its standard production route.

Current safety data shows no issues for pregnant or breastfeeding women when the ingredient is used topically at the low concentrations found in finished cosmetics. That said this is not medical advice and anyone who is pregnant or nursing should run any skincare routine past a qualified doctor just to be safe.

Sunflower Seed Oil Polyglyceryl-6 Esters does not absorb UV light and is not known to cause photosensitivity. It is also fragrance free, gluten free and compatible with leave-on or rinse-off products for both skin and hair.

Potential Side Effects/Adverse Reactions

Side effects from topical use of Sunflower Seed Oil Polyglyceryl-6 Esters differ from person to person. The points below list potential reactions that remain unlikely for the average user when the ingredient is used correctly in a well-formulated product.

  • Mild skin irritation in individuals with highly reactive or damaged skin barriers
  • Contact allergy in people sensitive to residual sunflower seed proteins
  • Transient redness or warmth if applied to compromised skin immediately after exfoliation or shaving
  • Eye stinging when the product accidentally gets into the eyes before rinsing
  • Isolated breakouts in users whose skin reacts to any new emollient even those considered non-comedogenic

If any irritation, swelling or persistent discomfort occurs stop using the product and consult a healthcare professional for further guidance.

Comedogenic Rating

Rating: 1 out of 5

Lab tests and user reports show that Sunflower Seed Oil Polyglyceryl-6 Esters is very unlikely to block pores. The polyglyceryl part makes the oil fragments more water-friendly, which keeps the molecule from sitting heavily on the skin. Its fatty acid profile is also low in the thicker waxy chains that often cause congestion.

Thanks to this low score it is generally fine for people who are prone to acne or breakouts.

Formulation still matters. If the product pairs this emulsifier with rich butters or waxes, the overall formula could feel heavier even though the emulsifier itself is light.

Summary

Sunflower Seed Oil Polyglyceryl-6 Esters works mainly as an emulsifier and emulsion stabiliser. The sunflower oil half loves lipids while the polyglyceryl half loves water, so the molecule can grab both and lock them together. This keeps creams, lotions and cleansers smooth, gives them a pleasant slip and extends shelf life.

The ingredient is gaining quiet popularity in natural and clean label formulas because it is plant based, gentle and vegan friendly. It is not yet as common as classic synthetic emulsifiers but more brands are adding it each year.

Safety reviews rate it as low risk for irritation or sensitisation when used at normal cosmetic levels. Still, everyone’s skin is different so it is smart to patch test any new product that contains it before applying to the whole face or body.

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