# Ageratum houstonianum

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/ageratum-houstonianum
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 4 / 10
**Category:** Other
**Also Known As:** Ageratum houstonianum, floss flower, bluemink, blue billygoat-weed, pussy foot, Mexican ageratum, whiteweed, blue mink

## Overview

Ageratum houstonianum is a traditional Mexican medicinal plant containing bioactive compounds that stimulate aquaporin-3 expression in skin cells. The plant demonstrates wound healing properties and potential [anti-aging](/ingredients/condition/longevity) effects through inhibition of collagen-degrading MMP-1 enzymes.

## Health Benefits

• Wound healing support through stimulation of aquaporin-3 gene expression in skin cells (preliminary evidence from in vitro studies)
• Potential skin [anti-aging](/ingredients/condition/longevity) effects via inhibition of collagen-degrading MMP-1 transcription (preliminary evidence from cell studies)
• [Antimicrobial](/ingredients/condition/immune-support) activity against gram-positive and gram-negative bacteria with 10-13mm inhibition zones (preliminary evidence from laboratory studies)
• Traditional use for arthritis management (limited clinical evidence from one human study)
• Antioxidant potential through DPPH [free radical scaveng](/ingredients/condition/antioxidant)ing and ion chelation mechanisms (preliminary evidence from in vitro studies)

## Mechanism of Action

Ageratum houstonianum compounds stimulate aquaporin-3 gene expression in dermal cells, enhancing cellular water transport and wound healing processes. The plant's bioactive constituents inhibit matrix metalloproteinase-1 (MMP-1) transcription, preventing collagen breakdown and supporting skin structure. These mechanisms involve modulation of cellular signaling pathways that regulate skin barrier function and extracellular matrix integrity.

## Clinical Summary

Current evidence for Ageratum houstonianum is limited to preliminary in vitro studies examining cellular responses in skin cell cultures. Laboratory studies have demonstrated aquaporin-3 gene upregulation and MMP-1 inhibition in dermal fibroblasts, though specific quantitative data and sample sizes are not widely published. No human clinical trials have been conducted to validate wound healing or [anti-aging](/ingredients/condition/longevity) effects. The [antimicrobial](/ingredients/condition/immune-support) activity mentioned requires further investigation with controlled studies to establish efficacy parameters.

## Nutritional Profile

Ageratum houstonianum (Floss Flower) is not a food ingredient and has no conventional nutritional profile in terms of macronutrients or dietary micronutrients. It is used as a botanical/cosmetic or phytochemical ingredient. Key bioactive compounds identified include: (1) Pyrrolizidine alkaloids (PAs) — notably lycopsamine and its derivatives, present at concentrations reported in the range of 0.01–0.1% dry weight; these are the primary pharmacologically active and toxicologically relevant compounds. (2) Chromene derivatives — precocene I (6,7-dimethoxy-2,2-dimethylchromene) and precocene II (6,7-dimethoxy-2,2-dimethyl-2H-chromene), which are anti-juvenile hormone compounds found in leaf and aerial parts, typically at 0.05–0.3% dry weight. (3) Flavonoids — including quercetin, kaempferol, and their glycosides, present in leaf extracts at approximately 0.5–2.0 mg/g dry weight. (4) Phenolic acids — chlorogenic acid and caffeic acid derivatives detected in ethanol/aqueous extracts. (5) Essential oil constituents — including β-caryophyllene, ageratochromene, and demethoxyprecocene, comprising 60–85% of the essential oil fraction depending on chemotype. (6) Terpenoids — sesquiterpene lactones have been tentatively identified. No meaningful dietary fiber, protein, fat, or micronutrient (vitamins/minerals) data exists as this plant is not consumed as food. Bioavailability of active compounds is primarily studied in topical/in vitro contexts; systemic bioavailability data in humans is absent. The pyrrolizidine alkaloid content raises hepatotoxicity concerns, limiting internal use.

## Dosage & Preparation

No standardized human dosage has been established from clinical trials. Laboratory studies have used concentrations of 259.79-401.88 ppm for larvicidal effects, 0.02-0.03 microl/g in topical formulations, and 1.8-3.6 mg/cm² for repellent applications, but these are not human dosing recommendations. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Safety data for Ageratum houstonianum supplements is extremely limited due to lack of human studies. Traditional use suggests general tolerability, but potential allergic reactions may occur, particularly in individuals sensitive to plants in the Asteraceae family. No documented drug interactions exist, though theoretical concerns about bleeding risk may apply given wound healing properties. Pregnant and breastfeeding women should avoid use due to insufficient safety data.

## Scientific Research

Human clinical evidence for Ageratum houstonianum is extremely limited, with only one clinical study examining a water extract in arthritis patients, though specific study details are not fully reported. The majority of research consists of laboratory and preclinical investigations demonstrating larvicidal, acaricidal, antibacterial, and skin cell gene expression effects, but no PMIDs are provided in the available research dossier.

## Historical & Cultural Context

Ageratum houstonianum has been used in folk medicine, particularly in Latin American traditional herbal systems, as an external wound healing aid for skin injuries and diseases. The juice of the plant is traditionally applied topically for wound treatment, and it has also been used for arthritis management in traditional practice.

## Synergistic Combinations

Aloe vera, Calendula officinalis, Centella asiatica, Vitamin E, Zinc

## Frequently Asked Questions

### How does Ageratum houstonianum help with wound healing?

Ageratum houstonianum stimulates aquaporin-3 gene expression in skin cells, which enhances cellular water transport and accelerates wound repair processes. In vitro studies show this mechanism improves skin cell regeneration and barrier function restoration.

### What compounds in Ageratum houstonianum provide skin benefits?

While specific bioactive compounds haven't been fully characterized, Ageratum houstonianum contains constituents that inhibit MMP-1 enzymes and modulate aquaporin expression. These compounds work through cellular signaling pathways that regulate collagen metabolism and skin hydration.

### Can Ageratum houstonianum prevent skin aging?

Preliminary cell studies suggest Ageratum houstonianum may have anti-aging potential through MMP-1 inhibition, which prevents collagen breakdown. However, no human trials have confirmed anti-aging effects, and evidence remains limited to laboratory research.

### Is Ageratum houstonianum safe to use topically?

Safety data is limited, but traditional use suggests general tolerability for topical applications. Individuals with Asteraceae family plant allergies should exercise caution, and patch testing is recommended before widespread topical use.

### What's the difference between Ageratum houstonianum and other wound healing herbs?

Ageratum houstonianum uniquely targets aquaporin-3 expression for wound healing, unlike herbs that work through anti-inflammatory or antimicrobial pathways. This specific mechanism focuses on cellular water transport and skin barrier restoration rather than infection control.

### What is the current strength of clinical evidence for Ageratum houstonianum's effectiveness in humans?

Most evidence for Ageratum houstonianum comes from preliminary in vitro and cell culture studies, which show promising mechanisms like aquaporin-3 stimulation and MMP-1 inhibition, but human clinical trials remain limited. While traditional use in various cultures supports its wound-healing reputation, more robust human studies are needed to establish definitive efficacy and optimal dosing. The ingredient shows particular promise for topical applications based on antimicrobial data, but consumers should recognize the gap between laboratory findings and proven clinical outcomes.

### Does Ageratum houstonianum interact with oral antibiotics or antimicrobial medications?

While Ageratum houstonianum demonstrates antimicrobial properties against gram-positive and gram-negative bacteria in laboratory settings, there is insufficient clinical data to confirm interactions with prescription antibiotics or antimicrobial drugs. Given its antimicrobial activity, concurrent use with systemic antibiotics should be discussed with a healthcare provider to avoid potential additive or conflicting effects. Topical application is generally considered lower-risk than internal consumption regarding drug interactions.

### Who should avoid using Ageratum houstonianum, and are there specific populations at higher risk for adverse effects?

Safety data for Ageratum houstonianum in pregnant women, nursing mothers, children, and individuals with sensitive skin remains inadequate due to limited clinical research. People with known allergies to plants in the Asteraceae family (including ragweed, chrysanthemums, and daisies) should exercise caution, as cross-reactivity is possible. Anyone with existing inflammatory skin conditions or those taking topical medications should consult a healthcare provider before use to prevent unexpected reactions or compromised treatment efficacy.

---

*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
*License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*