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Phytosterols

Product Description

Phytosterols in cosmetics can stimulate the production of collagen and help repair the damage of photo-aged skin.Phytosterols also have anti-inflammatory properties and can be used for UV protection,dermatitis treatment and even cancer prevention.

They are widely used in burn wound care-phytosterols have been found to improve healing and improve the appearance of scars.The antibacterial activity of plant phytosterols is also very important.Finally,phytosterol powder regulate the transport of cholesterol,which in turn regulates the production of sebum,which may be a good treatment option for acne and other sebum-related diseases.

Technical Date

Items tested	Specifications	Results
Characters	A white or almost white,crystalline powder, Practically insoluble in water, soluble in tetrahydrofuran, sparingly soluble in ethyl acetate.	Conforms
Identification 1. Color reaction 2. Retention time	1.Positive	Conforms
Identification 1. Color reaction 2. Retention time	2.The retention time of the major peak confirms to that of the standard preparation	Conforms
Acid value （mgKOH/g）	≤1.0ml	0.4ml
Specific optical rotation	-15~-28°	-28°
Assay	β-Sitosterol ≥70%	71.48%
	Brassicasterol	1.21%
	Campesterol	12.44%
	Stigmasterol	10.01%
	Total sterols ≥95%	95.14%
Loss on drying	≤4.0%	2.2%
Total Ash	≤0.5%	Conforms
Heavy metals	≤10ppm	Conforms
Total Plate Count	Max 3,000cfu/g	Conforms
Yeast&Mold	Max 100cfu/g	Conforms
E.coil	Negative	Conforms
Salmonella	Negative	Conforms

FAQ

★What is Phytosterols?

Phytosterols, also known as plant sterols, is natural lipid active ingredients extracted from plant oils and plant seeds. They have a molecular structure very similar to human skin cholesterol.

★Which cosmetic products are suitable to add Phytosterols?

Moisturizing face creams, facial lotions, night repair creams

Sensitive skin soothing & barrier repair serums

After-sun repair, post-procedure calming skincare products

Anti-aging nourishing creams and facial masks

Baby mild skincare, low-irritation lipid-replenishing cosmetics

★Is Phytosterols safe for topical cosmetic use?

Yes. Cosmetic grade Phytosterols are mild, non-irritating, low sensitization and highly safe.

Similar to human skin natural lipids, extremely friendly to fragile and sensitive skin

Pass skin irritation, eye irritation and skin sensitization safety tests

Suitable for long-term daily skincare, pregnant skin and delicate baby skin

★What is the recommended addition concentration of Phytosterols in cosmetics?

Daily moisturizing & basic barrier care: 0.5% – 2.0%

Sensitive skin repair & soothing formulations: 2.0% – 4.0%

High-efficiency anti-dry, anti-chapping & anti-aging cream: 4.0% – 6.0%

Leave-on skincare products: Maximum safe dosage ≤8.0%

★What formulation notes should cosmetic factories pay attention to?

Lipid-soluble ingredient, dissolve in oil phase during production

Suitable pH range: 5.5 – 7.0, stable under normal cosmetic formula conditions

Good high temperature resistance, not easy to degrade under conventional emulsification heating

Avoid long-term extreme high temperature above 80℃ to prevent active deterioration

★Which well-known brands use Phytosterols in skincare?

La Roche-Posay: Soothing repair cream series, strengthen skin barrier

CeraVe: Moisturizing barrier repair skincare, match phytosterols with ceramides

Avène: Sensitive skin calming and lipid-replenishing formulas

Bioderma: Gentle moisturizing and barrier repairing daily skincare

★What’s the difference between Phytosterols and Squalane?

Phytosterols: Focus on barrier repair, anti-inflammatory, soothe sensitive skin.

Squalane: Focus on deep moisturizing, improve skin smoothness. Combined use: Moisturize + repair, better for dry/sensitive skin.

★What specifications of Phytosterols do you supply?

INCI Phytosterols; Purity 40%/80%/90%/95%; White powder/granule

Tel：+8615309206328

WhatsApp： +8615309206328

E-mail： alexxue@zhenyibio.com

Phone：+86-029-81294858

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Why Choose Us

Innovative Bio-active Enhancement Technology

Beyond simple extraction, ZHENYIBIO masters Enzymatic Hydrolysis and Liposomal Encapsulation to optimize the bio-availability of plant actives. Our in-house R&D team, led by industry PhDs, ensures that every batch of Glutathione or Centella Asiatica Extract meets the highest molecular stability standards.

Controlled Source & Farm-to-Lab Traceability

We operate our own botanical planting bases, ensuring 100% control over raw material quality from the seed. This vertical integration guarantees a stable, year-round supply and full traceability, helping you meet the strict transparency demands of modern "Clean Beauty" consumers.

Global Standards & GMP-Certified Excellence

Quality is our identity. ZHENYIBIO operates under strict GMP and ISO 9001 standards. All products are backed by comprehensive documentation, including COA, MSDS, and HPLC test reports, ensuring seamless compliance for EU (CPNP) and US (MoCRA) market entries.

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We don't just sell ingredients; we provide solutions. Our technical team offers formulation guidance to solve compatibility issues, while our global logistics network ensures fast, secure delivery to 50+ countries. Your success is our primary KPI.

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FAQs

How does ZHENYIBIO ensure the oxidative stability of whitening actives in water-based formulations?

We have developed a proprietary Anti-oxidation Stabilization System specifically designed for oxidation-prone active ingredients (such as glutathione). By controlling residual heavy metals in the raw materials—the primary catalysts for oxidation—and recommending a complementary chelating agent regimen, we ensure that the ingredients remain free from browning over extended periods within a pH range of 5.0 to 7.0.

Are your botanical brightening extracts compatible with high-concentration electrolytes?

Our plant extracts undergo a multi-stage refining process to remove the majority of inorganic salts and impurities; as a result, they exhibit excellent compatibility within serum formulations containing thickeners or high concentrations of electrolytes, without giving rise to flocculation or phase separation.

What technologies does ZHENYIBIO use to improve the skin penetration of plant-derived actives?

For large-molecule plant-derived active ingredients, we employ Liposomal Encapsulation and Micronization technologies. These techniques significantly reduce particle size, enabling active ingredients—such as Alpha-Arbutin—to more easily penetrate the stratum corneum and reach the areas where melanocytes are concentrated.

Can you provide In-vitro or In-vivo efficacy data for your whitening product line?

Yes. In addition to providing standard TDS documents, we can—upon request—supply data from Tyrosinase Inhibition Tests as well as Human Patch Test reports to support clinical claims regarding the "whitening efficacy" of your finished products.

Do ZHENYIBIO whitening ingredients meet the regulatory requirements of EU and North America?

Fully Compliant. Our products strictly adhere to both EU (Regulation EC No 1223/2009) and US MoCRA standards. A complete Certificate of Analysis (COA) is provided for every batch of raw materials, ensuring that levels of heavy metals, microbial contaminants, and residual solvents remain well below international regulatory limits.

Are your products "Clean Beauty" compliant (Vegan, Non-GMO, Cruelty-Free)?

Yes. As experts in Natural Plant Actives, we pledge that all our ingredients are derived from sustainable plant sources, contain no animal-derived components, involve no animal testing, and are accompanied by comprehensive traceability statements—empowering your brand to enter the clean beauty sector.

How do you guarantee a stable supply of botanical raw materials regardless of seasonal changes?

ZHENYIBIO maintains its own proprietary botanical cultivation bases. Through controlled environments and standardized harvesting processes, we are able to not only guarantee year-round stock availability but also ensure a high degree of consistency in the content of active ingredients—such as Glabridin—across different production batches.

Can ZHENYIBIO develop customized ingredient concentrations for specific brand requirements?

We can provide customized Standardized Extracts tailored to our clients' specific needs. Whether you require high-purity active monomers or blended ingredients in specific ratios, our R&D laboratory is equipped to make precise adjustments to meet your exact formulation requirements.