Chenopodium Formosanum Grain Extract: 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 24, 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 Chenopodium Formosanum Grain Extract?

Chenopodium Formosanum Grain Extract comes from the small red seeds of Chenopodium formosanum, a plant native to Taiwan and sometimes called red quinoa or djulis. The grains are rich in vitamins, minerals, amino acids and polyphenols that give the extract strong antioxidant power.

Local Indigenous communities have eaten the seeds for centuries for their nutty taste and nourishing value. As interest in natural and traditional ingredients grew, researchers looked at the plant’s potent antioxidants and saw potential for skin care. Over the last decade manufacturers have refined gentle water or glycerin based extraction methods that pull the active compounds from the cleaned, milled grains without harsh solvents. The result is a clear to amber liquid or fine powder that blends easily into modern formulas.

You will most often spot Chenopodium Formosanum Grain Extract in serums, anti-aging creams, hydrating lotions, sheet masks and eye treatments that aim to protect the skin from daily environmental stress.

Chenopodium Formosanum Grain Extract’s Cosmetic Benefits/Uses

This botanical extract is prized mainly for one key role in skin care.

Antioxidant: The polyphenols and vitamins in the extract help neutralize free radicals generated by UV light, pollution and normal skin metabolism. By limiting this oxidative stress the ingredient supports a brighter, more even complexion and helps slow the look of premature aging such as fine lines and loss of firmness.

Who Can Use Chenopodium Formosanum Grain Extract

Because it is a mild, water-soluble antioxidant, Chenopodium Formosanum Grain Extract suits nearly all skin types, from oily and acne-prone to dry and sensitive. Its lightweight nature means it will not add heaviness to oily skin, while its soothing plant nutrients can support weakened or easily irritated skin. The only group that might need caution is anyone with a known allergy to grains in the Chenopodium family, as even a topical product could provoke a reaction.

The extract is 100% plant derived with no animal by-products, making it appropriate for both vegetarians and vegans.

Current research shows no specific risks for pregnant or breastfeeding women when the ingredient is used on the skin. Still, this is not medical advice and anyone who is expecting or nursing should run any skincare product past a healthcare provider to be safe.

Chenopodium Formosanum Grain Extract has not been linked to photosensitivity, so it can be used day or night. As with any routine, using sunscreen in the morning is still recommended to protect against UV damage.

Potential Side Effects/Adverse Reactions

Reactions to topical Chenopodium Formosanum Grain Extract vary from person to person. The points below cover potential side effects that are possible yet unlikely for most users when the ingredient is included at normal cosmetic levels.

  • Contact irritation – mild redness or stinging can occur in very sensitive skin
  • Allergic response – rare swelling or hives in individuals allergic to quinoa-type grains
  • Eye irritation – watering or burning if the product accidentally enters the eyes
  • Stinging with strong acids – combining a high percentage of the extract with low-pH exfoliating acids may cause brief discomfort

If any of these reactions appear, stop using the product and consult a healthcare professional if symptoms persist or worsen.

Comedogenic Rating

Rating: 0–1

Chenopodium Formosanum Grain Extract is a water based or glycerin based ingredient with almost no oils or waxes, so it does not clog pores in the way heavier plant butters or fatty alcohols can. For that reason cosmetic chemists generally place it at the very bottom of the comedogenic scale.

Because of the low rating it is considered suitable for acne-prone and breakout-prone skin. Anyone who reacts to even lightweight hydrators should still monitor their skin, but the extract itself is an unlikely trigger.

Formulas that pair the extract with richer emollients could change the overall pore-clogging risk, so check the full ingredient list rather than relying on a single component.

Summary

Chenopodium Formosanum Grain Extract delivers antioxidant protection by supplying polyphenols, vitamins and amino acids that neutralize skin damaging free radicals. With regular use it helps keep tone more even and supports a youthful look.

The extract is still a niche addition compared with mainstream antioxidants like vitamin C and green tea, yet its traditional roots and clean sourcing are winning it a steady following in natural focused serums, creams and sheet masks.

Topical use is regarded as very safe for most people, with only rare cases of grain-related allergy or mild irritation reported. As with any new skincare ingredient it is wise to carry out a quick patch test when first trying a product that features Chenopodium Formosanum Grain Extract.

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