Beta-Sitosterol

Product Description

As a dedicated wholesale supplier of plant-derived functional ingredients, we provide High Purity Beta-Sitosterol (≥98%) at competitive factory-direct prices. This phytosterol, sourced from natural vegetable oils, is structurally analogous to the skin's natural cholesterol. In the evolving clean beauty landscape, it serves as the premier vegan cholesterol alternative, essential for reconstructing the stratum corneum's lipid barrier without the use of animal-derived materials.

Our Beta-Sitosterol is a highly purified isolate that functions as a biomimetic skin-identical ingredient. It is designed for high-performance barrier repair systems, soothing treatments for sensitive skin, and specialized hair care formulations. We ensure wholesale & bulk supply consistency to support large-scale manufacturing of professional dermatological products.

Product Specification

• INCI Name: Beta-Sitosterol
• CAS No.: 83-46-5
• Chemical Name: 22,23-Dihydrostigmasterol
• Botanical Source: Vegetable Oil Distillate (Soybean/Pine)
• Appearance: White to off-white crystalline powder
• Purity (GC): ≥98.0% (High Purity Isolate)
• Solubility: Soluble in warm alcohols and high-polarity esters; insoluble in water
• Melting Point: 136°C – 140°C
• Grade: Cosmetic Grade / Pharmaceutical Grade
• Origin: China (Direct Factory Supply)

Key Benefits & Applications

• Lipid Barrier Restoration: Acts as a structural mimic of human cholesterol, integrating into the intercellular lipid matrix to fill gaps between ceramides and fatty acids, effectively sealing in transepidermal water loss (TEWL).
• Advanced Anti-Inflammatory: Provides cortisone-like soothing effects by modulating inflammatory pathways, significantly reducing erythema (redness) and itching in atopic dermatitis and eczema-prone skin.
• 5α-Reductase Inhibition: Scientifically validated to inhibit the 5α-reductase enzyme, which reduces DHT levels on the scalp, supporting hair follicle vitality and density.
• Skin Softening: Enhances the emolliency and texture of emulsions, providing a smooth, non-greasy application profile.
• Applications: High-performance barrier repair creams, vegan skincare lines, post-procedure balms, and anti-hair loss scalp tonics.

Formulation Guidelines

• Recommended Dosage: 0.5% – 2.0% (Effective at low concentrations in the "Golden Ratio").
• Incorporation: High-melting point ingredient. Dissolve in the hot oil phase (typically 80°C – 90°C) or high-polarity esters (e.g., Octyldodecanol) to ensure complete solubilization and prevent recrystallization.
• pH Stability: Stable across a wide pH range (3.0 – 9.0).
• The Golden Ratio: For maximum barrier repair efficacy, formulate in a 3:1:1 molar ratio of Ceramide NP Powder : Beta-Sitosterol : Free Fatty Acids.
• Synergy: Combine with Ceramide NP and Stearic Acid for a biomimetic "Second Skin" barrier repair complex.