Hydrolyzed Agastache Rugosa 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 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 Hydrolyzed Agastache Rugosa Extract?

Hydrolyzed Agastache Rugosa Extract comes from Agastache rugosa, a fragrant herb in the mint family traditionally valued in East Asia for its soothing properties. To create the cosmetic grade ingredient the plant’s aerial parts are first extracted, then the extract is broken down through controlled hydrolysis using water, enzymes or mild acids. This step splits larger plant molecules into smaller fragments that can penetrate skin more easily and stay stable in modern formulations.

The resulting hydrolysate carries a mix of water-binding sugars, amino-acid rich peptides and protective polyphenols that help defend skin from everyday stress. Because it is water soluble and gentle it slips easily into a wide range of products. You will most often spot it in hydrating serums, lightweight moisturizers, sheet masks, after-sun gels, soothing mists and anti-aging creams that aim to boost skin comfort while guarding against dullness caused by environmental exposure.

Hydrolyzed Agastache Rugosa Extract’s Cosmetic Benefits/Uses

Formulators reach for this botanical because it delivers multiple skin-friendly actions in a single ingredient.

  • Antioxidant: Its polyphenols mop up free radicals created by pollution and UV light helping to keep skin looking bright and minimizing the appearance of premature fine lines
  • Humectant: The small peptides and natural sugars attract and hold water on the skin’s surface supporting a plump supple feel and improving the glide of the overall product

Who Can Use Hydrolyzed Agastache Rugosa Extract

This extract is generally suitable for all skin types including dry, oily, combination and sensitive because its lightweight water based nature hydrates without clogging pores or leaving a greasy film. People with very reactive or fragrance sensitive skin often tolerate it well since the hydrolysis process removes most volatile aromatics that could trigger stinging.

The ingredient is plant derived and processed without animal by-products so it fits vegan and vegetarian lifestyles.

No data suggest any specific risk for pregnant or breastfeeding women when the extract is used topically in cosmetic amounts. Still this is not medical advice and anyone who is expecting or nursing should consult a healthcare professional before adding new products to their routine.

Hydrolyzed Agastache Rugosa Extract does not make skin more sensitive to sunlight so it is safe for daytime use. Standard daily sunscreen is still recommended to protect against UV damage.

Potential Side Effects/Adverse Reactions

Reactions to Hydrolyzed Agastache Rugosa Extract are uncommon but individual experiences can differ. The following points list potential side effects that may occur even though most users will never encounter them when the ingredient is properly formulated.

  • Redness or mild irritation in very sensitive skin
  • Transient tingling when paired with strong active ingredients like acids or retinoids
  • Rare allergic response such as small hives or itching in those allergic to mint family plants

If any discomfort or unusual change develops discontinue use and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 0 (non-comedogenic). Hydrolyzed Agastache Rugosa Extract is water based, contains no pore-clogging oils or waxes and absorbs quickly without leaving residue, so it has virtually no potential to block pores. It is therefore considered suitable for people prone to acne or breakouts. Because it functions mainly as a humectant and antioxidant it can even support blemish-prone skin by adding lightweight hydration without extra sebum. Only the finished formula’s overall composition, not this extract, is likely to affect comedogenicity.

Summary

Hydrolyzed Agastache Rugosa Extract delivers two key actions: it draws moisture into the skin for a plump hydrated feel and it supplies polyphenol antioxidants that help neutralize environmental stress. The hydrolysis process breaks plant material into small peptides and sugars that absorb efficiently and stay stable, allowing formulators to add both hydration and protection with a single ingredient.

While not yet a headline star like hyaluronic acid or vitamin C, its gentle multitasking nature is making it a quiet favorite in hydrating mists, calming serums and light creams especially in K-beauty inspired products.

Current research and consumer use reports show it to be very safe with a low risk of irritation or allergy, but as with any new cosmetic it is smart to patch test a product before full application to ensure your individual skin tolerates it well.

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