ZLEY® VCIP – Ascorbyl Tetraisopalmitate

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ZLEY® VCIP – Ascorbyl Tetraisopalmitate (183476-82-6):

Does Not Stain the Stratum Corneum; VC Conversion Rate as High as 84%, 10x More Skin-Penetrating Than Pure Vitamin C

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ZLEY®VCIP – AscorbyI Tetraisopalmitate is a next-generation, esterified vitamin C derivative. Its name is derived from “Vitamin C Tetraisopalmitate,” commonly abbreviated as VC-IP.

ZLEY®VCIP – Ascorbyl Tetraisopalmitate received quasi-drug certification from the Japanese Ministry of Health, Labour and Welfare in 2006. It is a functional whitening agent approved by the South Korean government, and also the only “medicated cosmetic’ among the 13 whitening ingredients recognized by the Taiwanese Ministry of Health and Welfare.


ZLEY Group is a professional supplier of Ascorbyl Tetraisopalmitate (183476-82-6), providing stable quality, technical support, and global delivery services, covering over 60 countries. For specifications, samples, or quotations, please contact [email protected]

Product Information: ZLEY® VCIP – Ascorbyl Tetraisopalmitate

  • INCI Name: Ascorbyl Tetraisopalmitate
  • CAS No.: 183476-82-6
  • Appearance: Colorless to pale yellow liquid
  • Recommended Dosage: 0.5% ~ 5%
  • Solubility: Oil-soluble, insoluble in water
  • Product Efficacy: Brightening, Antioxidant, Anti-wrinkle
  • Product Applications: Emulsion systems (lotions, creams), Serum oils
  • Processing Instructions: Add at room temperature and mix thoroughly.
  • Regulations: Japan (Max 3%), South Korea (Max 2%)

Is ZLEY® VCIP – Ascorbyl Tetraisopalmitate Safe?
According to the Technical Guidelines for Cosmetic Safety Assessment, the relevant toxicological endpoints for Ascorbyl Tetraisopalmitate are as follows: it exhibits low acute oral toxicity in rats with an LD50 >2000 mg/kg body weight; the raw material causes no acute skin or eye irritation, shows no mutagenic potential, and is non‑sensitizing to human skin at a concentration of 10%. No further toxicological endpoint data are currently available for this ingredient, and based on the existing evidence, it is considered safe for use in cosmetic formulations within the evaluated parameters.

Product Applications of ZLEY® VCIP – Ascorbyl Tetraisopalmitate
In cosmetics and skincare products, it primarily functions as a skin conditioning agent. It brightens skin, fades spots, inhibits melanin deposition, and lightens existing pigmentation. It also provides anti-inflammatory benefits and helps repair acne-prone skin. It is suitable for application in skincare products; color cosmetics (lipsticks, etc.); essential oil blends; sunscreen products; and facial masks.

Technical Specifications of ZLEY® VCIP – Ascorbyl Tetraisopalmitate

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Why Source ZLEY® VCIP – Ascorbyl Tetraisopalmitate from ZLEY Group?
Through over 20 years of relentless effort, ZLEY Group has become a modern enterprise integrating R&D, production, quality control, and sales. We are dedicated to providing clients with the highest quality personal care ingredients, semi-finished products, and customized formulation solutions to meet diverse needs, ensuring the best products and services. Email: [email protected]

What Technical Support Can You Get When Sourcing ZLEY® VCIP – Ascorbyl Tetraisopalmitate?
As a professional supplier, ZLEY Group offers value beyond the product itself:

Formulation Support: Provides basic formula suggestions, combination strategies, and process guidance.

Regulatory Consulting: Assists in interpreting the regulatory requirements of target markets.

Quality & Supply Assurance: Stable product quality, competitive pricing, and reliable global logistics.

Market Trend Information: Shares the latest market dynamics and ingredient application trends.

Frequently Asked Questions (FAQ) about ZLEY® VCIP – Ascorbyl Tetraisopalmitate

Q1: What are the core advantages of VCIP compared to traditional Vitamin C (e.g., L-Ascorbic Acid)?

High Stability: Resists oxidation, offers good light/heat stability, does not require an acidic environment, and has a long shelf life.

Strong Penetration: Its oil-soluble nature allows deep skin penetration, where it converts and releases active Vitamin C.

Gentle & Low Irritation: pH neutral, suitable for sensitive skin and long-term use.

Multi-Functional: Combines antioxidant, brightening, anti-aging, and collagen-boosting properties.

Formulation-Friendly: Easily incorporated into oil-phase systems (creams, facial oils, sunscreens, etc.).

Q2: Does it comply with major market regulations? Are there relevant certifications?

Global Compliance: Included in China’s Safety and Technical Standards for Cosmetics; permitted for use in major markets including the EU, USA, Japan, and South Korea. Relevant regulatory support documents can be provided.

Q3: How can I obtain samples, technical documents, and quotations?
Please contact our international trade service team via  [email protected] We will provide a professional and efficient response. Please include your company information, specific needs, and target market in your email for the most precise assistance.