Ingredient

Horsetail Extract for Hair

Horsetail extract is a botanical ingredient derived from the Equisetum arvense plant, valued in haircare for its rich silica content.

Horsetail Extract for Hair

What is Horsetail Extract?

Horsetail extract is a botanical ingredient sourced from the Equisetum arvense plant, an ancient perennial fern-like herb found in temperate regions worldwide. The common name "horsetail" comes from its distinctive, brush-like appearance. For centuries, traditional medicine systems have utilized various parts of the plant, including its aerial stems, for a range of perceived therapeutic properties. In haircare, the extract is typically derived from the sterile stems of the plant.

The key active component in horsetail extract relevant to hair health is its high concentration of silica (silicon dioxide). Silica is a naturally occurring mineral essential for the formation of collagen, a primary structural protein in hair, skin, and nails. Beyond silica, horsetail extract also contains other beneficial compounds, including flavonoids, saponins, and phenolic acids, which contribute to its overall efficacy.

Horsetail Extract Benefits

  • Strengthens Hair Strands: The high silica content in horsetail extract helps to improve the structural integrity of the hair shaft. Silica contributes to stronger disulfide bonds within the keratin structure, leading to reduced breakage and improved elasticity, particularly beneficial for fragile or damaged hair.
  • Supports Hair Growth: By providing essential silica, horsetail extract assists in the synthesis of collagen, a foundational protein for hair follicle health. A healthy follicle environment is crucial for initiating and sustaining the anagen (growth) phase of the hair cycle, making it beneficial for those experiencing thinning hair.
  • Enhances Hair Luster: As hair strands become stronger and smoother due to improved structural health, their ability to reflect light increases. This results in a noticeable improvement in shine and overall hair radiance, making dull hair appear more vibrant.
  • Improves Scalp Circulation: Certain compounds within horsetail extract, such as flavonoids, have been shown to support microcirculation in the scalp. Enhanced blood flow delivers more oxygen and nutrients to hair follicles, promoting a healthier environment for growth and reducing oxidative stress.
  • Reduces Scalp Inflammation: The presence of antioxidants and anti-inflammatory compounds in horsetail extract can help soothe an irritated or inflamed scalp. This can alleviate discomfort and create a more conducive environment for healthy hair growth, particularly for individuals with sensitive scalps.
  • Controls Oil Production: Horsetail extract possesses mild astringent properties that can help to balance sebum production on the scalp. This can be beneficial for individuals with oily scalps, reducing greasiness and preventing clogged follicles that can impede hair growth.
  • Minimizes Dandruff: By promoting a balanced scalp environment and reducing inflammation, horsetail extract can indirectly help to reduce conditions conducive to dandruff formation. Its antifungal properties may also play a minor role in inhibiting the growth of common scalp yeasts.

How Horsetail Extract Works

At a cellular level, silica plays a pivotal role in maintaining the structural integrity of connective tissues. When absorbed, silica helps form glycosaminoglycans (GAGs) and collagen, which are vital for healthy hair. Collagen provides the framework for hair cells, and sufficient silica ensures this framework is robust, leading to stronger, more resilient hair strands. This mechanism reduces breakage and improves hair elasticity, which is particularly beneficial for chemically treated, heat-damaged, or naturally fragile hair.

Furthermore, the antioxidant properties of flavonoids found in horsetail extract help protect hair follicles from damage caused by free radicals, which can contribute to premature hair aging and loss. Improved microcirculation in the scalp, supported by these compounds, optimises nutrient delivery to the hair follicles, thereby encouraging healthy growth.

Who Benefits Most From Horsetail Extract?

Horsetail extract is particularly beneficial for individuals experiencing:

  • Hair Thinning or Hair Loss: Its growth-promoting properties and ability to strengthen existing strands make it suitable for those looking to improve hair density.
  • Brittle or Weak Hair: The high silica content directly addresses issues of breakage and fragility, making hair more resilient.
  • Dull Hair: By improving hair surface health, it enhances natural shine and luster.
  • Oily or Irritated Scalps: Its balancing and anti-inflammatory effects can create a healthier scalp environment.

Who Should Avoid Horsetail Extract?

Generally, horsetail extract is considered safe for topical application. However, individuals with known allergies to plants in the Equisetaceae family should exercise caution. As with any new topical ingredient, a patch test is recommended, especially for those with very sensitive skin. While oral consumption of horsetail is often contraindicated for those with certain heart conditions or kidney issues, these concerns do not typically extend to topical application in haircare products, where absorption is minimal and concentration is lower.

Common Concentrations and Product Categories

In haircare formulations, horsetail extract is typically included at concentrations ranging from 0.5% to 5% of the total formula. However, this can vary significantly depending on the extract's potency and standardization. Higher concentrations may be found in targeted treatments like serums or tonics, while lower percentages are often present in daily use products.

Horsetail extract is a versatile ingredient found across various haircare product categories, including:

  • Shampoos and Conditioners: Incorporated for daily strengthening and growth support.
  • Hair Masks and Treatments: Used in higher concentrations for intensive repair and nourishment.
  • Scalp Serums and Tonics: Applied directly to the scalp to target follicles and promote growth.
  • Leave-in Conditioners: Provides ongoing protection and strength throughout the day.

Watermans Haircare utilizes horsetail extract for its well-documented benefits in promoting stronger, healthier hair and supporting optimal scalp conditions.


Find these ingredients in Watermans products

horsetailextractingredientsilicahairgrowthscalphealth