⭐ VC-IP (Ascorbyl Tetraisopalmitate)
High-Stability, Oil-Soluble Vitamin C for Premium Skincare
📌 Description
VC-IP, also known as Ascorbyl Tetraisopalmitate (ATIP), is an oil-soluble, ultra-stable Vitamin C derivative widely used in high-end cosmetic and skincare formulations. Unlike traditional Vitamin C, VC-IP is highly stable to heat, light, and oxidation and shows excellent skin penetration. Once absorbed, it converts to active Vitamin C, providing strong brightening, anti-aging, and antioxidant benefits.
Chemical Name: L-Ascorbic Acid Tetraisopalmitate
CAS No.: 183476-82-6
Molecular Formula: C70H128O10
Molecular Weight: 1129.71 g/mol
Appearance: Light yellow to yellow oily liquid
Solubility: Oil-soluble; compatible with oils, esters, emulsions
📌 Applications
✨ Skin Brightening & Whitening
Effectively inhibits melanin formation to reduce dark spots and uneven tone.
✨ Anti-Aging & Firming
Boosts collagen synthesis, improving elasticity and smoothing wrinkles.
✨ Antioxidant & UV Protection
Neutralizes free radicals and enhances the performance of sunscreens.
✨ High-End Cosmetics
Ideal for serums, facial oils, lotions, creams, and SPF products.
Recommended Usage: 0.5% – 10% (depending on formulation type).
📌 Typical Specification
| Item | Specification |
|---|---|
| Appearance | Light yellow oily liquid |
| Assay (HPLC) | ≥ 95% |
| Acid Value | ≤ 2.0 mg KOH/g |
| Iodine Value | ≤ 8.0 |
| Specific Gravity (25°C) | 0.90 – 0.92 |
| Refractive Index | 1.460 – 1.490 |
| Heavy Metals | ≤ 10 ppm |
Cosmetic grade; compliant with global skincare formulation standards.
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