Apricot Kernel 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 publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Apricot Kernel Oil Polyglyceryl-6 Esters?

Apricot Kernel Oil Polyglyceryl-6 Esters is a plant-derived ingredient created by linking the fatty acids from apricot kernel oil with polyglycerin-6, a chain of six glycerin units made from vegetable oils. The result is a gentle, biodegradable ester that combines the skin loving lipids of apricot oil with the water-friendly nature of polyglycerin. Apricot kernel oil has been valued for centuries for its light texture and high content of oleic and linoleic acids, but only in recent decades have formulators started to modify it through green chemistry to improve its performance in modern skin care.

The manufacturing process involves transesterification, where heat and a food grade catalyst swap parts of the molecules so the fatty acid portion of apricot oil bonds to the polyglycerin backbone. This reaction boosts the oil’s ability to mix with water, turning it into a multifunctional ingredient that can soften skin, cleanse and stabilize emulsions without added synthetic surfactants.

Because of its versatility and mildness, Apricot Kernel Oil Polyglyceryl-6 Esters shows up in a wide range of leave-on and rinse-off products such as facial cleansers, cleansing balms, makeup removers, micellar waters, moisturizers, lotions, baby creams, hair conditioners and even sheet mask essences.

Apricot Kernel Oil Polyglyceryl-6 Esters’s Cosmetic Benefits/Uses

This single ingredient brings several helpful roles to a formula

  • Skin conditioning – deposits a breathable layer of fatty acids and glycerin-derived humectants that leave skin feeling soft and supple
  • Emollient – fills in tiny gaps between skin cells to smooth texture and reduce moisture loss which can ease flakiness and tightness
  • Cleansing – its dual oil-and-water loving structure lifts away makeup excess sebum and daily grime while rinsing off easily with water
  • Emulsifying – helps keep oil and water phases blended so lotions stay stable silky and free of separation without the need for harsher surfactants

Who Can Use Apricot Kernel Oil Polyglyceryl-6 Esters

This gentle ester suits most skin types including dry, normal and combination because it delivers light nourishment without a greasy afterfeel. Sensitive skin generally tolerates it well thanks to its low irritancy profile, while oily or acne-prone complexions usually find it lighter than pure plant oils although very congested skin might prefer using it in rinse-off products only.

The ingredient is sourced entirely from plant materials so it is appropriate for vegans and vegetarians provided the final cosmetic formula is free of animal-derived additives.

No data link Apricot Kernel Oil Polyglyceryl-6 Esters to issues in pregnancy or while breastfeeding. It is not absorbed in meaningful amounts and lacks hormone-like activity. This is not medical advice and anyone expecting or nursing should show their skincare routine to a qualified health professional before use just to be safe.

The ester does not cause photosensitivity and will not make skin more prone to sunburn. It is fragrance-free and contains no essential oil constituents that might react with sunlight.

Potential Side Effects/Adverse Reactions

Reactions to topical Apricot Kernel Oil Polyglyceryl-6 Esters differ from person to person. The points below outline potential but uncommon effects when the ingredient is used at appropriate levels in a properly formulated product. Most users experience none of these issues.

  • Transient redness or mild stinging on very sensitive skin
  • Allergic contact dermatitis in individuals allergic to stone fruits or glycerin derivatives
  • Clogged pores or breakouts in users extremely prone to comedones when the ingredient is present at high levels in leave-on formulas
  • Eye irritation if the product accidentally migrates into the eyes
  • Unpleasant odor or skin irritation from a product that has gone rancid due to improper storage

If any adverse effect occurs stop using the product and seek medical advice if symptoms persist.

Comedogenic Rating

Rating: 1 / 5

Apricot Kernel Oil Polyglyceryl-6 Esters contains the lightweight fatty acids of apricot oil but its bond with water loving polyglycerin makes the molecule rinse off more easily and prevents it from sitting in pores the way richer oils can. Lab and user data show a very low tendency to trigger comedones which is why it ranks at 1 rather than 0. In most formulas it is present at modest levels and is combined with other non pore-clogging emulsifiers, further lowering the risk.

Bottom line: generally suitable for acne-prone or breakout-prone skin though extremely reactive skin might still prefer it in rinse-off products.

The rating can shift if the ingredient appears alongside heavy butters or if a formula uses it at unusually high percentages, so overall product composition matters.

Summary

Apricot Kernel Oil Polyglyceryl-6 Esters acts as a skin conditioning agent, emollient, gentle cleanser and natural emulsifier. It softens skin by depositing fine fatty acids, smooths the surface by filling microscopic gaps, lifts away dirt and makeup thanks to its dual oil and water affinity and keeps lotions from separating without harsher surfactants.

While not yet a household name, its green chemistry roots and multitasking nature are making it more popular in indie skin care lines, baby products and minimalist cleansers that market themselves as sulfate free and plant based.

Current research and consumer feedback show it to be very safe with an exceptionally low irritation profile and no known systemic effects. As with any new cosmetic ingredient it is wise to patch test a product before full-face use just to be sure your skin agrees.

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