Safflower Oil/Palm Oil Aminopropanediol 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 Safflower Oil/Palm Oil Aminopropanediol Esters?

Safflower Oil/Palm Oil Aminopropanediol Esters is a plant derived ingredient created when aminopropanediol reacts with safflower seed oil and palm oil in a process called transesterification. The reaction reshapes the natural fatty acids so they remain liquid and stable, giving formulators a silky emollient that is less greasy than the raw oils. Interest in cleaner plant based alternatives to mineral oil spurred its development in the early 2000s, and it has since become a quiet workhorse in modern skin care.

Manufacturers start by pressing the seeds of Carthamus tinctorius for safflower oil and harvesting sustainably grown Elaeis guineensis fruit for palm oil. After refining, the two oils are blended with aminopropanediol under controlled heat and catalysts. The resulting esters are filtered and deodorized, producing a light colored, low odor liquid that integrates easily into water in oil and oil in water emulsions.

You will commonly find Safflower Oil/Palm Oil Aminopropanediol Esters in facial moisturizers, body lotions, night creams, restorative masks, lightweight serums, cleansing balms, and hair conditioners where a smooth non heavy feel is desired.

Safflower Oil/Palm Oil Aminopropanediol Esters’s Cosmetic Benefits/Uses

This ingredient is prized for its ability to condition the skin. By forming a breathable layer on the surface it helps slow water loss, leaving skin soft, supple and comfortable. At the same time its balanced fatty acid profile can reinforce the natural barrier, easing the look of dryness or roughness without clogging pores or feeling oily.

Who Can Use Safflower Oil/Palm Oil Aminopropanediol Esters

This silky ester suits most skin types. Dry and mature skin appreciate its barrier supporting moisture while normal and combination skin benefit from the light cushion it adds without a greasy after-feel. Oily or breakout-prone skin usually tolerates it because the molecule is less occlusive than straight plant oils, though every complexion is different and very reactive skins should monitor how they respond.

The ingredient is entirely plant derived so it aligns with vegan and vegetarian preferences. No animal by-products or processing aids are involved, however ethically minded shoppers may want to look for brands that certify the palm portion as sustainably sourced.

Current safety data shows no issues for topical use during pregnancy or while breastfeeding. That said this is not medical advice and anyone who is pregnant or nursing should run any skincare routine past their healthcare provider to be safe.

Safflower Oil/Palm Oil Aminopropanediol Esters does not increase photosensitivity so it will not make skin more prone to sunburn. Standard daily sunscreen habits are still encouraged for overall skin health.

Potential Side Effects/Adverse Reactions

Reactions to topical Safflower Oil/Palm Oil Aminopropanediol Esters vary from person to person. The effects listed below are only potential concerns and are unlikely to occur for most users when the ingredient is used correctly by the manufacturer.

  • Contact dermatitis – rare itching redness or rash in individuals sensitive to safflower palm derivatives or the esterification by-products
  • Clogged pores – possible bump formation in people who are extremely acne prone or using several rich products at once
  • Exacerbation of existing skin conditions – very compromised or inflamed skin (eg severe eczema or active dermatitis) may sting or feel warm upon application
  • Allergic reaction – swelling hives or discomfort in those with true allergy to either source oil though such allergies are uncommon

If any irritation swelling or persistent breakout occurs stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 2 / 5

The fatty acids from safflower oil are naturally low clogging while palm oil acids lean higher, but the transesterification step breaks the original triglyceride structure and lowers the tendency to pack into pores. Lab evaluations show the finished esters spread thinly and rinse more easily than straight oils which further keeps buildup in check. Overall it sits near the low-to-moderate end of the scale.

Most people who are prone to acne can use products containing this ester without major concern although highly reactive skins might still prefer simpler formulas.

Keep in mind the final comedogenic impact depends on how much of the ester is in a formula and what other rich ingredients are paired with it.

Summary

Safflower Oil/Palm Oil Aminopropanediol Esters is a light plant based emollient that conditions skin by forming a breathable layer and reinforcing the natural barrier. Its re-engineered fatty acid structure lets it deliver softness and suppleness without the heavy feel of raw oils.

While not a headline ingredient it quietly features in many modern moisturizers, serums and balms thanks to its vegan origin, smooth texture and good stability.

Current research and industry safety panels rate it as low risk for irritation or sensitization when used as intended. As with any new skincare product a simple patch test is wise before full face use.

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