Aspergillus/Amaranthus Hypochondriacus Seed Ferment Filtrate: 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 Aspergillus/Amaranthus Hypochondriacus Seed Ferment Filtrate?

Aspergillus/Amaranthus Hypochondriacus Seed Ferment Filtrate is a skin care ingredient that starts with amaranth seeds, the tiny protein-rich grains once treasured by ancient civilizations in Central and South America. These seeds are mixed with a safe strain of the microorganism Aspergillus, which digests and breaks down the seed material during a controlled fermentation process. After the fermentation is finished, the mixture is carefully filtered, leaving behind a clear liquid packed with small, skin-friendly molecules like amino acids, peptides and natural sugars that attract water.

Fermentation has long been used in food and beverages to unlock new flavors and nutrients, and the beauty industry adopted the same idea to create gentler, more potent skin care ingredients. The filtrate’s ability to draw moisture made it an appealing addition to modern moisturizers in the early 2000s when brands began looking for plant-derived hydrators that felt light yet effective.

Today you will most often spot Aspergillus/Amaranthus Hypochondriacus Seed Ferment Filtrate in hydrating serums, lightweight lotions, sheet masks, soothing after-sun gels and anti-aging creams that aim to leave skin plump and smooth without heaviness.

Aspergillus/Amaranthus Hypochondriacus Seed Ferment Filtrate’s Cosmetic Benefits/Uses

This fermented filtrate brings one main benefit to skin care formulas.

Humectant: It pulls water from the environment and deeper skin layers to the surface, boosting immediate hydration and helping the outer skin barrier stay flexible. Regular use can reduce the look of fine lines caused by dryness, improve softness and enhance the absorption of other active ingredients in the formula.

Who Can Use Aspergillus/Amaranthus Hypochondriacus Seed Ferment Filtrate

This ingredient is considered gentle and is generally suitable for all skin types, including sensitive, oily, combination and mature skin, because its main job is to add lightweight hydration without clogging pores or leaving a greasy film. People with very dry or compromised skin barriers may find it especially helpful since it binds water to the surface and supports a smoother feel. There are no known reasons it would be unsuitable for specific skin types unless an individual has a rare allergy to amaranth or fermented ingredients.

The filtrate is derived from plant seeds and microorganisms, with no animal by-products involved, making it appropriate for vegans and vegetarians. Most cosmetic versions are also cruelty-free, though certification varies by brand.

Current research shows no issues for pregnant or breastfeeding women when the ingredient is used topically at the low concentrations found in skincare. Still, this is not medical advice and anyone who is pregnant or nursing should review all personal care products with a qualified healthcare professional before use.

The filtrate is not known to cause photosensitivity, so it does not increase the skin’s reaction to sunlight. Standard daytime sun protection is still recommended as part of a complete routine.

Potential Side Effects/Adverse Reactions

Side effects and reactions to the topical application of Aspergillus/Amaranthus Hypochondriacus Seed Ferment Filtrate can vary from person to person. The points below outline potential issues, but they are uncommon when the ingredient is formulated and preserved correctly.

  • Mild redness or stinging on very sensitive skin
  • Contact dermatitis in individuals allergic to amaranth proteins or fermentation by-products
  • Itching or small hives if combined with other actives that further irritate the skin barrier
  • Eye irritation if product accidentally gets into the eyes
  • Breakouts in acne-prone users if the overall formula is heavy or occlusive, though the filtrate itself is not pore-clogging
  • Rare fungal or bacterial contamination if the finished product lacks adequate preservatives

If any negative reaction occurs, discontinue use immediately and consult a dermatologist or healthcare professional for guidance.

Comedogenic Rating

Rating: 0 / 5

This fermented filtrate is almost entirely made up of water-soluble molecules like amino acids, peptides and simple sugars that dissolve quickly and do not leave an oily film on skin, so they are very unlikely to block pores or encourage blackheads. Because the ingredient itself is non-occlusive and lightweight it earns the lowest possible comedogenic score.

That means it is generally suitable for people who are prone to acne or frequent breakouts, provided the rest of the formula is also non-comedogenic.

Keep in mind that the final product’s overall texture, added oils or butters and packaging hygiene will influence whether it triggers congestion even if this single ingredient does not.

Summary

Aspergillus/Amaranthus Hypochondriacus Seed Ferment Filtrate acts mainly as a humectant, pulling moisture from the air and deeper skin layers to the surface so skin feels plump and looks smoother. The fermentation process breaks down amaranth seed proteins into smaller hydrating components that absorb easily without heaviness, making the filtrate a gentle way to boost water content in formulas.

While not as famous as hyaluronic acid or glycerin, this ingredient has been quietly gaining traction in modern serums, light creams and sheet masks aimed at people who want plant-based hydration with a silky feel.

Current research and real-world use show it is safe for most skin types with only rare reports of irritation or allergy. As with any new skincare addition it is smart to perform a small patch test first to make sure your skin agrees with it before applying more broadly.

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