Apricot Kernel Oil Peg-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 Peg-6 Esters?

Apricot Kernel Oil Peg-6 Esters comes from the seeds of the apricot fruit. The raw kernel oil is rich in fatty acids such as oleic and linoleic acid, along with natural vitamins. To turn it into a more versatile cosmetic ingredient, manufacturers react the oil with six units of ethylene oxide, creating a group of mild surfactants called polyethylene glycol (PEG) esters. This process, known as ethoxylation, makes the oil partly water soluble so it can blend smoothly into lotions, washes and other formulas without leaving a heavy film.

Apricot kernel oil itself has been used for centuries as a soothing body oil. In the 20th century formulators discovered that attaching PEG chains improved its spreadability and cleansing ability, opening the door for use in modern cosmetic products. Today you will spot Apricot Kernel Oil Peg-6 Esters in facial cleansers, micellar waters, cream masks, lightweight moisturizers, anti-aging serums, bath oils, makeup removers, shampoos and baby care items.

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

This multi-tasking ingredient brings several performance perks to a formula:

  • Skin conditioning – helps keep skin feeling supple by delivering fatty acids that support a healthy moisture barrier
  • Emollient – adds a silky slip so products glide on easily, leaving skin soft and comfortable instead of tight
  • Cleansing – acts as a gentle surfactant that lifts away dirt and makeup without stripping natural oils
  • Emulsifying – stabilizes blends of oil and water, ensuring creams and lotions stay smooth and homogeneous during shelf life

Who Can Use Apricot Kernel Oil Peg-6 Esters

This ingredient tends to play well with most skin types, from dry and mature to normal and even sensitive, because its fatty-acid profile is calming while the PEG portion prevents a greasy feel. Very oily or acne-prone skin may still prefer lighter surfactants, though in practice Apricot Kernel Oil Peg-6 Esters is considered low risk for breakouts.

Because it is derived from a plant oil and the ethoxylation step involves no animal by-products, the material is suitable for both vegans and vegetarians.

There is no evidence that the ingredient poses particular risks during pregnancy or breastfeeding when used topically. This is not medical advice and anyone who is pregnant or nursing should check with a doctor before adding new skincare to be safe.

Apricot Kernel Oil Peg-6 Esters is not known to cause photosensitivity so it will not make skin more prone to sunburn. People with tree-nut or stone-fruit allergies should still proceed cautiously, as apricot kernels come from the same botanical family.

Potential Side Effects/Adverse Reactions

Individual responses vary and the following outlines potential reactions that, while possible, are unlikely for the average user when the ingredient is properly formulated and used as directed.

  • Contact irritation – temporary redness, stinging or dryness in very sensitive skin
  • Allergic reaction – itching or rash in people with apricot or related fruit seed allergies
  • Breakouts – occasional clogged pores or small pimples in users who are extremely oil-prone
  • Eye discomfort – watering or mild burning if the product accidentally enters the eyes
  • PEG sensitivity – rare irritation in those who react to polyethylene glycol compounds

If any adverse effect appears stop using the product and seek medical advice.

Comedogenic Rating

Rating: 1 / 5

The fatty acids in apricot kernel oil are lightly occlusive, yet the addition of six PEG units makes the molecule more water compatible and less likely to sit in pores, so clogging potential is very low. Most users, including those on acne regimens, tolerate it without a spike in blemishes.

Suitable for acne-prone or breakout-prone skin, though extremely oily skin might still prefer fully oil-free surfactants.

Because the ingredient often appears in rinse-off formulas, actual skin contact time is brief, further reducing any chance of pore blockage.

Summary

Apricot Kernel Oil Peg-6 Esters works as a skin conditioner, emollient, gentle cleanser and emulsifier. The apricot-derived lipids soften and replenish the moisture barrier while the PEG segment behaves like a mild surfactant, allowing it to lift away dirt and marry oil with water for stable, smooth textures.

It is a moderately popular choice in micellar waters, facial washes, lightweight creams and baby care since it delivers a silky feel without heaviness and suits a wide range of skin types.

Overall safety is rated high with low irritation and comedogenicity profiles. Still, everyone’s skin is unique so it is wise to perform a quick patch test when trying any new product that contains this versatile ingredient.

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