Hydrogenated Palm Kernel Amine Oxide: 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 27, 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 Hydrogenated Palm Kernel Amine Oxide?

Hydrogenated Palm Kernel Amine Oxide is a plant derived surfactant made by transforming the fatty portions of palm kernel oil into gentle cleansing molecules called amine oxides. Chemists first explored this class of ingredients in the 1950s when they sought milder alternatives to the harsher soaps then dominating the market. To create it manufacturers begin with sustainably sourced palm kernels that are pressed for oil, split into fatty acids, converted to fatty alcohols then reacted with dimethylamine. A controlled oxidation step adds an oxygen atom to produce the final amine oxide while a brief hydrogenation step evens out any unsaturated bonds for better stability. The result is a clear to pale yellow liquid that works well in water based formulas. Thanks to its mild nature and ability to boost foam it shows up in everyday products such as shampoos, body washes and facial cleansers, hand soaps, bubble baths, micellar waters and even some clay or cream masks that need a little extra lather for rinse off.

Hydrogenated Palm Kernel Amine Oxide’s Cosmetic Benefits/Uses

This ingredient offers two main performance perks that formulators rely on

  • Cleansing – as a mild surfactant it lowers the surface tension of water so oils, dirt and product buildup can be lifted away without over stripping the skin or hair, supporting a fresh comfortable feel after rinsing
  • Foam boosting – it enhances the size and stability of bubbles created by primary cleansers which gives shampoos and washes a rich creamy lather that users associate with effective cleaning while also aiding quick rinse off

Who Can Use Hydrogenated Palm Kernel Amine Oxide

This gentle surfactant suits almost all skin and hair types, including normal, oily, combination and sensitive, because it cleans without harsh stripping. Extremely dry or compromised skin may still prefer formulas that pair it with richer moisturizers to avoid any tight feeling post-wash. It is plant derived from palm kernels so it is appropriate for vegans and vegetarians provided the finished product has not been blended with animal-based additives. There are no known safety flags for women who are pregnant or breastfeeding, however this is not medical advice and anyone in that stage of life should clear any new personal care item with a doctor first to stay on the safe side. The ingredient does not increase the skin’s sensitivity to sunlight, and it plays well with most other common cleanser ingredients, making it widely compatible in everyday routines.

Potential Side Effects/Adverse Reactions

Side effects from topical use of Hydrogenated Palm Kernel Amine Oxide vary from person to person. The points below outline potential reactions that are possible yet unlikely for most users when the ingredient is used correctly in a finished product.

  • Mild skin irritation such as redness itching or a stinging sensation, especially on very sensitive or broken skin
  • Eye irritation or tearing if the product accidentally gets into the eyes
  • Dryness or slight tightness when used in high concentrations without adequate moisturizers
  • Rare allergic contact dermatitis presenting as rash swelling or hives

If any of these reactions occur stop using the product immediately and seek advice from a healthcare professional or pharmacist.

Comedogenic Rating

Rating: 0 (non-comedogenic). Hydrogenated Palm Kernel Amine Oxide is a water-soluble surfactant that rinses off cleanly and leaves no oily film that could clog pores. It is typically used at low concentrations in wash-off products so it spends minimal time on the skin. For these reasons it poses little to no risk of causing comedones or worsening acne. People prone to breakouts can generally use products containing this ingredient without concern. Because it is almost always part of rinse-off formulas, any residual surfactant left on the skin is negligible, further supporting its non-comedogenic rating.

Summary

Hydrogenated Palm Kernel Amine Oxide works chiefly as a mild cleanser and foam booster. Its amphoteric structure lowers surface tension to lift away dirt and oil, while the extra oxygen atom stabilizes airy bubbles that make shampoos and body washes feel rich and creamy. Although it is not as famous as workhorse surfactants like sodium laureth sulfate or cocamidopropyl betaine, formulators value it as a gentle supporting actor that rounds out foam and softness in many everyday cleansers.

Safety studies and decades of use show it is generally well tolerated with a low risk of irritation or pore clogging. Still, skin can be unpredictable so it is wise to perform a quick patch test when trying any new product that contains this ingredient to ensure personal compatibility.

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