Quillaja Saponaria Soap Bark Extract

Soap bark extract is derived from the bark of the Quillaja saponaria. The core value of this natural plant extract lies in its rich content of highly effective surfactants—saponins. These saponins possess excellent foaming, emulsifying, and cleansing properties, making them a valuable natural ingredient in the cosmetics, food, and pharmaceutical industries.

Healthkintai^® is a manufacturer and supplier of soap bark extract. Our soap bark extract has a total saponin content of over 60%, and other specifications can be customized to your needs. If you require 60% Quillaja Saponaria Soap Bark Extract, please feel free to contact us at health@kntaibio.com.

Our Quillaja Saponaria Soap Bark Extract strictly complies with the regulatory requirements of major global markets. Its safety and legality have been certified by authoritative bodies, providing a solid guarantee for your product's global expansion.

Global Compliance Certifications:

• China: Strictly complies with the requirements for Type I products in GB 1886.379-2024, "National Food Safety Standard - Food Additives - Soap Bark Extract".
• International: Approved by major agencies such as the Codex Alimentarius Commission (INS 999), the European Union (E 999), the US FDA (GRAS), and the Food Standards Australia New Zealand (FSANZ), it can be used as a food additive or emulsifier.

Safe Usage Guidelines:

Based on the Acceptable Daily Intake (ADI) set by international authoritative organizations, you can use it with confidence:

• JECFA Standard: ≤ 1 mg saponin/kg body weight/day
• EFSA Standard: 3 mg saponin/kg body weight/day
• The saponin content (UV) of this product is consistently ≥60%, allowing you to precisely control the amount of saponin added to the final product and easily meet all safety regulations.

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              Healthkintai^® Quillaja Saponaria Soap Bark Extract COA                         Healthkintai^® Quillaja Saponaria Soap Bark Extract  Solubility

1. Quillaja Saponaria Soap Bark Extract for Skin​

• Deep yet gentle cleansing: Soapberry saponins are excellent natural surfactants that effectively encapsulate oil, dirt, and makeup on the skin's surface and easily remove them through their rich lather. Compared to some harsh synthetic cleansers, it is gentler and less likely to damage the skin's natural lipid barrier, making it suitable for sensitive skin seeking gentle cleansing.
• Improves clogged pores and acne: With its powerful emulsifying and cleansing abilities, Quillaja Saponaria Soap Bark Extract penetrates deep into pores to help remove excess sebum and blackheads, effectively preventing and improving blackheads and acne caused by clogged pores.
• Natural antibacterial and anti-inflammatory properties: Studies have shown that soapberry saponins have inhibitory effects on certain common bacteria and fungi. This property helps inhibit the growth of Propionibacterium acnes, soothes minor inflammation caused by acne, and maintains a healthy skin microenvironment.
• Enhanced Absorption of Subsequent Products: As a natural biosurfactant, it can temporarily alter the permeability of skin keratinocytes, thereby promoting the penetration and absorption of active ingredients in subsequent skincare products and improving overall skincare efficacy.

2. Quillaja Saponaria Soap Bark Extract for Hair​

• Gentle Scalp Cleansing:Adding it to shampoo effectively removes accumulated oil, silicone residue, and environmental pollutants from the scalp without excessively stripping it of the scalp's natural oils. This helps maintain a healthy water-oil balance, relieving scalp itching and oiliness.
• Increased Hair Volume and Fullness:For fine, limp hair, using shampoo containing this extract results in thorough cleaning without leaving residue, leaving hair appearing exceptionally voluminous and fuller. The roots stand up more, visually increasing hair volume.
• Effects on Hair:As a natural biosurfactant, it can temporarily alter the permeability of skin keratinocytes, thereby promoting the penetration and absorption of active ingredients in subsequent skincare products and enhancing overall hair volume. Improves hair shine and smoothness: It helps remove dirt and residue from the hair cuticle, smoothing the hair's own cuticle and allowing it to reflect more light, resulting in a natural, healthy shine and a smoother, more manageable feel.

3. Other benefits

Furthermore, soap bark extract is widely used in the food and beverage industry due to its emulsifying and foam-stabilizing properties. In summary, soap bark extract is a multifunctional natural ingredient that combines cleansing, antibacterial, and penetration-enhancing properties, providing a pure, effective, and gentle experience for skin and hair care products.

1. Personal Care and Cosmetics

In this field, it is primarily used as a highly effective yet gentle natural surfactant and foaming agent. Widely used in products such as facial cleansers, shampoos, shower gels, and toothpaste, it produces rich, fine foam that thoroughly removes oil and dirt from skin and hair. Due to its natural origin, it is far less irritating to the skin than synthetic ingredients, making it highly popular in the market.

2. Food and Beverage Industry

As a natural food additive (INS 999/E 999), it plays a crucial role in this field. Especially in beverages, as a highly effective emulsifier and stabilizer, Quillaja Saponaria Soap Bark Extract stably disperses oil-soluble flavor substances (such as citrus oil) in the aqueous phase, preventing stratification and ensuring consistent flavor and taste. It is also a natural source and stabilizer of foam in some effervescent beverages.​​​​​​​

3. Pharmaceuticals and Vaccine Adjuvants

This is a high-value specialty application. Saponins possess strong immunostimulatory activity and are widely used as vaccine adjuvants. It enhances the body's immune response to vaccine antigens, resulting in stronger and longer-lasting protection, playing an irreplaceable role in many human and animal vaccines.

4. Agriculture and Environmental Protection

In agriculture, it is used to manufacture natural pesticides or adjuvants, effectively disrupting the exoskeleton of certain pests. Simultaneously, due to its good biodegradability and surface activity, it is also being researched for soil and water remediation in the environmental field.

For skin and mucous membranes, high concentrations or prolonged contact may damage the skin barrier due to excessive degreasing, leading to dryness, tightness, and even irritation and allergic reactions, especially for sensitive skin. If used around the eyes, its strong cleansing power may cause significant stinging.

Regarding ingestion, excessive oral intake may damage intestinal cell membranes, causing gastrointestinal discomfort such as nausea, bloating, or diarrhea.It is crucial to adhere to the safe dosage guidelines stipulated by regulations and, when using personal care products, pay attention to the product's formulation concentration and your own tolerance. Discontinue use immediately if any adverse reactions occur.

Healthkintai^® soap bark extract is one of their most popular products. Our soap bark extract has excellent water solubility, with a total saponin content exceeding 60%. We hold multiple international certifications, including GMP, ISO9001:2015, ISO22000:2018, HACCP, KOSHER, and HALAL, ensuring the high quality of our products. We also offer customized services, providing dosage recommendations and formulation suggestions for your products. If you need Quillaja Saponaria Soap Bark Extract, please feel free to contact us at health@kintaibio.com.

Q1:Is Quillaja Saponaria bark extract safe during pregnancy?

A1:Based on current medical knowledge, the safety of using Quillaja Saponaria bark extract during pregnancy has not been established. Therefore, it is not recommended for pregnant individuals.To ensure the well-being of both mother and baby, it is crucial to consult a healthcare provider before considering the use of any supplement or herbal product, including Quillaja Saponaria, while pregnant. The safest course of action is to avoid it unless explicitly approved by a doctor.

Q2:What is Quillaja saponaria used for?

A2:Quillaja saponaria, commonly known as the soap bark tree, is primarily used for its high saponin content, which acts as a natural surfactant. Its main applications are Food and Beverages: It is widely used as a foaming agent in certain soft drinks, root beer, and culinary foams in molecular gastronomy.Cosmetics and Personal Care， Found in shampoos, liquid soaps, and other products, where it creates a rich, natural lather.Agriculture and Vaccines:，In agriculture, it's used as a natural wetting agent. In pharmaceuticals, purified saponins from Quillaja are used as immune-stimulating adjuvants in some vaccines.

Q3:Is quillaja saponaria toxic?

A3:While Quillaja saponaria is approved for use in food and cosmetics, its saponin content can be toxic in high concentrations.
When purified and used in controlled, small amounts，it is generally recognized as safe by regulatory bodies. However, consuming the raw bark extract or large quantities can be harmful. Therefore, safety depends entirely on the dose and purification level. It is safe in regulated commercial products but should not be consumed in its raw, unprocessed form.