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Ascorbyl Tetraisopalmitate CAS 183476-82-6 - China Suppliers & Factory for High-Quality Ingredients
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Product Name: Ascorbyl Tetraisopalmitate
, CAS No.: 183476-82-6
, Molecular Formula: C70H128O10
, Molecular Structure:
Molecular Weight: 1129.76
, Appearance: Colorless Transparent Liquid
, Samples: Free samples are available upon request.
Typical Properties
| Item | Specifications |
| Appearance | Colorless Transparent Liquid |
| Color (APHA) | 100 max |
| Assay | 98~102% |
| Refractive index (25℃) | 1.459~1.465 |
| Specific gravity | 0.930~0.943 |
| Heavy metals | NMT 10 ppm |
| Arsenic | NMT 2 ppm |
| Microbial limited tests | Bacteria < 500 cfu/g |
| Mildew and microzyme < 100 cfu/g | |
| No escherichia coli should be found |
Application
As an efficient and gentle whitening and anti-aging core ingredient, VC-IP is the preferred ingredient for high-end efficacy skincare, suitable for all skin types, including sensitive skin and niacinamide intolerant skin. Its transdermal absorption rate is 16.5 times that of water-soluble vitamin C, which can quickly penetrate the stratum corneum and be hydrolyzed into active vitamin C by enzymes in the skin, continuously exerting its effects. Its formula compatibility is extremely strong, making it one of the core ingredients in the trend of "oil nourishing skin."
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✨1. Whitening and Spot Lightening Accurately inhibit the activity of tyrosinase, block the generation of melanin from the source, effectively improve the dull skin color, anti tanning after sun exposure, acne marks and spots after inflammation. Long term use can achieve even and bright skin color, which has been listed as the legal whitening active ingredient in Japan, South Korea and Taiwan, China.
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🛡️2. Antioxidant and Anti-Aging Efficiently removes free radicals, prevents skin lipid peroxidation, reduces UV damage to cellular DNA, and provides photoprotection. Simultaneously promoting collagen synthesis in the dermis, inhibiting matrix metalloproteinase activity, improving fine and dry lines, enhancing skin elasticity and firmness, and resisting photoaging.
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🌿3. Gentle Repair Extremely low irritation, with a risk factor of only 1, no need to establish tolerance, can soothe the skin, maintain the integrity of the skin barrier, adapt to daily care of sensitive skin, and also have the effect of softening the skin, enhancing the skin feel of skincare products.
🧴 Common Application Products:
High-end whitening essence oil, anti-aging essence, face cream, lotion, sunscreen products, post sun repair products, facial mask — especially suitable for "oil skin care" dosage forms. Can work together with nicotinamide, vitamin E derivatives, bose, peptides and other ingredients to enhance the efficacy of the product.
High-end whitening essence oil, anti-aging essence, face cream, lotion, sunscreen products, post sun repair products, facial mask — especially suitable for "oil skin care" dosage forms. Can work together with nicotinamide, vitamin E derivatives, bose, peptides and other ingredients to enhance the efficacy of the product.
📏 Recommended Dosage:
0.1%–2.0% is recommended for resident products (face cream, essence). The CIR assessment of the United States considers concentrations no higher than 4% safe for use. It is recommended to add no more than 0.05% to cleansing and shampoo products, and to further enhance stability by combining 0.1–0.3% tocopherol and disodium EDTA in the formula.
0.1%–2.0% is recommended for resident products (face cream, essence). The CIR assessment of the United States considers concentrations no higher than 4% safe for use. It is recommended to add no more than 0.05% to cleansing and shampoo products, and to further enhance stability by combining 0.1–0.3% tocopherol and disodium EDTA in the formula.
Package
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Available in: 1 kg / 5 kg / 20 kg / bottle
Storage
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Store in a cool, dry, and well-ventilated place, away from light and sealed. Keep away from strong acids, alkalis, and oxidants, and avoid mixing with odors and volatile chemicals. When stacking, keep away from the ground and walls to prevent moisture.
Frequently Asked Questions (FAQ)
Q What is VC-IP and how does it differ from regular Vitamin C?
A VC-IP (Ascorbyl Tetraisopalmitate) is an oil-soluble form of Vitamin C. Unlike water-soluble Vitamin C (L-Ascorbic Acid), VC-IP offers superior stability and a transdermal absorption rate 16.5 times higher, allowing it to penetrate the stratum corneum more effectively and be converted into active Vitamin C within the skin.
Q Is VC-IP suitable for sensitive skin?
A Yes. VC-IP has an extremely low irritation profile with a risk factor of only 1. It requires no tolerance-building period and is suitable for all skin types, including sensitive skin and skin intolerant to niacinamide.
Q What is the recommended usage concentration of VC-IP in skincare formulations?
A For leave-on products such as face creams and serums, a concentration of 0.1%–2.0% is recommended. The U.S. CIR expert panel considers concentrations up to 4% safe. For rinse-off products like cleansers and shampoos, no more than 0.05% is advised.
Q Can VC-IP be combined with other active ingredients?
A Yes. VC-IP has excellent formula compatibility. It works synergistically with nicotinamide, vitamin E derivatives, botanical extracts (bose), and peptides to enhance the overall efficacy of the product. Adding 0.1–0.3% tocopherol and disodium EDTA can further improve its stability in the formula.
Q What are the whitening and anti-aging benefits of VC-IP?
A VC-IP inhibits tyrosinase activity to block melanin production at the source, helping to reduce hyperpigmentation, dark spots, and post-inflammatory marks. It also promotes collagen synthesis, neutralizes free radicals, reduces UV-induced DNA damage, and improves skin elasticity and firmness — making it effective for both whitening and anti-aging.
Q How should VC-IP be stored to maintain its quality?
A VC-IP should be stored in a cool, dry, and well-ventilated environment, sealed and away from direct light. It should be kept away from strong acids, alkalis, oxidants, odorous substances, and volatile chemicals. Containers should be kept off the ground and away from walls to prevent moisture absorption.