Apricot Kernel Oil Propylene Glycol 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 Propylene Glycol Esters?

Apricot Kernel Oil Propylene Glycol Esters is created by blending natural apricot kernel oil with propylene glycol in a process called transesterification. Apricot kernel oil comes from the seeds inside apricot pits and is prized for its lightweight feel and fatty acid content, mainly oleic and linoleic acids. When these oil molecules swap parts with propylene glycol they form new esters that are more stable, less greasy and easier to spread than the raw oil.

Apricot kernel oil has been used in skin care for centuries, but formulators began turning it into propylene glycol esters in the late twentieth century to improve texture and shelf life. The resulting ingredient keeps much of the nurturing profile of the original oil while giving chemists a smoother versatile base for modern products.

Manufacturing starts with cold pressed apricot kernel oil. The oil is mixed with food grade propylene glycol and a catalyst under controlled heat. After the reaction is complete any unreacted materials are removed and the product is filtered, yielding a clear to pale yellow liquid that is almost odorless.

Because it feels light, spreads easily and helps keep skin soft this ester shows up in facial moisturizers, body lotions, hand creams, after-sun gels, sheet masks, lip balms, anti-aging serums and hair conditioning treatments.

Apricot Kernel Oil Propylene Glycol Esters’s Cosmetic Benefits/Uses

Its main purpose in a formula is to keep skin feeling supple and comfortable.

Skin conditioning: It forms a thin breathable layer that smooths rough patches reduces moisture loss and leaves skin feeling silky without a heavy residue. This makes other active ingredients glide on more evenly and can enhance the overall sensorial experience of a product.

Who Can Use Apricot Kernel Oil Propylene Glycol Esters

This lightweight ester is generally suitable for all skin types. Dry or mature skin benefits from its moisture sealing touch while normal and combination skin appreciate its non greasy finish. Oily and acne prone complexions usually tolerate it because the texture does not feel heavy or occlusive; however anyone extremely prone to breakouts from any oil derived ingredient may prefer to monitor their skin’s response.

The ingredient is plant derived and contains no animal components so it aligns with vegan and vegetarian preferences. It is also produced without animal testing when sourced from cruelty free suppliers.

Current safety data shows no specific risks for pregnant or breastfeeding women when used topically in cosmetic amounts. This is not medical advice and anyone who is expecting or nursing should consult a healthcare professional before introducing new skincare products.

Apricot Kernel Oil Propylene Glycol Esters does not increase photosensitivity so it can be used day or night without making skin more vulnerable to sunlight. Regular sunscreen use is still recommended as part of any daily routine.

Potential Side Effects/Adverse Reactions

Reactions to topical Apricot Kernel Oil Propylene Glycol Esters vary from person to person. The points below outline potential issues but most users will not experience them when the ingredient is properly formulated and used as directed.

  • Mild skin irritation
  • Redness or itching in very sensitive individuals
  • Rare allergic contact dermatitis in those allergic to apricot or propylene glycol derivatives
  • Possible pore congestion in people highly susceptible to ester or fatty acid buildup

Discontinue use and consult a healthcare professional if you notice any of these reactions

Comedogenic Rating

Rating: 1 / 5

Apricot Kernel Oil Propylene Glycol Esters spreads thinly and absorbs fast so it is far less likely to sit in pores than the raw oil which scores around a 2. The propylene glycol part keeps the fatty acids mobile and lowers the chance of buildup that can trap dead skin or bacteria.

Most people prone to acne or breakouts should find this ester acceptable though extremely sensitive or highly congestive skin types may still want to keep an eye on how their skin reacts.

Because it remains liquid at room temperature formulators can use a lower total oil phase which further reduces clogging risk in finished products.

Summary

Apricot Kernel Oil Propylene Glycol Esters is a plant derived skin conditioner that softens rough patches, locks in moisture and gives products a silky glide. The transesterification process makes it lighter and more stable than plain apricot kernel oil so it feels pleasant without a greasy film.

It appears in mainstream moisturizers, niche serums and even some hair care but it is not as famous as jojoba or argan oil. Brands that want a smooth non heavy texture pick it for that quiet support role rather than headline status.

Current safety reviews place the ingredient in the low risk category for topical use when properly formulated. As with any new cosmetic it is smart to patch test first to be sure your skin agrees with it.

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