Botanical
1 / 5
White Willow Bark Extract, also known as Willow Bark Salicin Powder or Salix Alba Extract, features a rich content of salicin, a natural precursor to salicylic acid—the compound that inspired the development of aspirin (acetylsalicylic acid). Upon ingestion, salicin is converted in the body to salicylic acid, delivering gentle yet effective anti-inflammatory, analgesic (pain-relieving), and antipyretic (fever-reducing) properties. Different from its synthetic counterpart, this natural conversion process is often gentler on the stomach.
Key Bioactive Component: Salicin
The primary active component in White Willow Bark Extract is salicin (C13H18O7, molecular weight 286.27). Its effects are not immediate but are sustained, as the metabolic conversion to salicylic acid occurs gradually over several hours. This makes it particularly valued for supporting comfort in cases of occasional joint discomfort, back discomfort, and overall inflammatory response related to physical activity.
High-purity extracts with precise and consistent salicin standardization (from 15% to 98%) are produced using advanced HPLC/UV testing protocols. This ensures every batch meets stringent specifications for activity and low contaminants, providing a reliably effective raw material for formulations.
Tailored OEM Solutions for Product Formulation: Whether requiring a specific particle size for enhanced mixability in a drink powder, a particular extract ratio (like 5:1, 10:1, 20:1) for a capsule blend, or expert guidance on the optimal salicin concentration for a target market, customized solutions can be developed to fit exact product requirements.
Consistent minimum salicin content of 98%+ in premium grades, guaranteed by Fractional Extraction Technology and HPLC quantification.
Sustainable bark sourcing combined with low-temperature extraction preserves compound integrity. Residual solvent levels remain below 5ppm, and heavy metals are compliant with USP/EP standards.
Flexible adjustment of active potency to suit custom formulations, including 15% or 50% salicin extracts.
Adjustable particle sizes (e.g., 80-100 mesh for tablet compression, or 200+ mesh for rapid powder dissolution) optimize integration into production lines.
| Item | Specification | Test Method | Result |
|---|---|---|---|
| Appearance | Fine off-white powder | Visual Inspection | Off-white powder |
| Odor | Characteristic | Organoleptic | Characteristic |
| Salicylic Acid Content | 98.0% min | HPLC | 98.3% |
| Loss on Drying | ≤ 5.0% | Thermogravimetric Analysis | 3.2% |
| Residue on Ignition | ≤ 0.5% | AOAC 923.03 | 0.3% |
| Heavy Metals (as Pb) | ≤ 10 ppm | ICP-MS | < 5 ppm |
| Arsenic (As) | ≤ 3 ppm | ICP-MS | < 1 ppm |
| Cadmium (Cd) | ≤ 10 ppm | ICP-MS | < 0.5 ppm |
| Mercury (Hg) | ≤ 0.1 ppm | ICP-MS | < 0.05 ppm |
| Microbial Total Plate Count | ≤ 1000 CFU/g | USP <61> | 250 CFU/g |
| Yeast & Mold | ≤ 100 CFU/g | USP <61> | 20 CFU/g |
| E. coli | Negative | USP <62> | Negative |
| Salmonella | Negative | USP <62> | Negative |
| Particle Size | 100% through 80 mesh | Sieving Analysis | Complies |
| Solubility | Slightly soluble in water, soluble in ethanol | Organoleptic | Complies |
| pH (1% aqueous solution) | 3.0–5.0 | pH Meter | 4.2 |
Widely used as a natural exfoliant to gently remove dead skin cells, unclog pores, and promote cell turnover. Recommended usage: 0.5%–2% in creams, lotions, or serums for face and body.
Natural salicylic acid content helps reduce acne by controlling excess sebum and reducing inflammation. Recommended usage: 0.5%–2% in topical gels, masks, or cleansers.
Calms irritated skin, making it suitable for sensitive or reactive skin formulations. Recommended usage: 0.2%–1% in creams or serums.
Promotes smoother skin texture and helps reduce the appearance of fine lines by enhancing exfoliation and encouraging skin renewal. Recommended usage: 0.5%–1% in anti-aging serums or lotions.
Helps exfoliate scalp buildup and maintain a healthy environment for hair growth. Recommended usage: 0.5%–1% in shampoos or scalp treatments.
Integrate a high-performance, natural active into cosmetics and skincare formulations. White willow bark extract is optimized for anti-aging and cosmetic applications, delivering high purity and batch-to-batch consistency. As a manufacturing partner, full technical documentation is provided—including ISO, FDA, and Organic certifications—to support brand compliance. Reach out to discuss bulk options and custom OEM solutions.
Yes, it is plant-derived and generally considered gentler on the skin and body, offering natural anti-inflammatory benefits that help minimize irritation.
Yes, it can be used on sensitive skin. However, it is recommended to keep formulation concentrations below 1% and conduct a patch test prior to full application.
It is slightly soluble in water. It dissolves more effectively in alcohol or when properly incorporated into the oil phase of oil-in-water emulsions.
Yes, it works well with niacinamide, hyaluronic acid, retinol, and various botanical extracts, providing synergistic benefits for target formulations.
The recommended usage concentration typically ranges from 0.5% to 2% for standard creams, lotions, and serums. For soothing or sensitive skin products, a lower range of 0.2% to 1% is advised.
The manufacturing processes comply with international requirements, backed by complete technical documentation including ISO, FDA, and Organic certifications to support brand compliance.
