Cosmetics Grade Tetrahexyldecyl Ascorbate/ Ascorbyl Tetraisopalmitate /VC-IP Skin Whitening
Products Description
Tetrahexyldecyl Ascorbate is a very stable, oil-soluble Vitamin C ester which has anti-oxidant activity, inhibiting lipid peroxidation. Topical use can mitigate the damaging effects of UV exposure. Studies have shown it to stimulate collagen production as well as clarifying and brightening the skin by inhibiting melanogenesis (the production of pigment) thereby promoting a more even skin tone. Unlike ascorbic acid, it will not exfoliate or irritate skin.
BASIC ANALYSIS
| Item | Specification | Result |
| Appearance | Colorless to light yellow liquid | Conform |
| Odor | Slight characteristic smell | Conform |
| Density (stock solution, 20℃)g/m3 | 0.92-0.96 | 0.93 |
| Refractive index (stock solution, 25℃) | 1.440-1.480 | 1.464 |
| Content (HPLC),% | ≥95.0 | 99.3 |
| Total Plate Count,cfu/ml | <100 | <10 |
| Molds and yeasts,cfu/ml | <10 | <10 |
| Staphylococcus aureus/ml | Negative | Negative |
| Pseudomonas aeruginosa/ml | Negative | Negative |
| Thermostable coliform/ml | Negative | Negative |
| Pb,mg/kg | <5.0 | <5.0 |
| Cd,mg/kg | <1.0 | <1.0 |
| Hg,mg/kg | <0.1 | <0.1 |
| As,mg/kg | <0.1 | <0.1 |
Function
- Antioxidant Effect: Tetraisopalmityl Ascorbate has potent antioxidant properties that neutralize free radicals, slow down the skin aging process, and protect the skin from damage caused by environmental stressors.
- Whitening effect: This ingredient can inhibit the activity of tyrosinase, thereby reducing the production of melanin, helping to improve uneven skin tone and lighten spots.
- Promote collagen synthesis: Tetraisopalmityl ascorbate can stimulate the synthesis of collagen, enhance the elasticity and firmness of the skin, and reduce the appearance of fine lines and wrinkles.
- Moisturizing effect: Due to its fat solubility, ascorbic acid tetraisopalmitate can form a protective film on the skin surface, helping to lock in moisture and maintain the skin’s moisture balance.
- Anti-inflammatory effect: This ingredient has certain anti-inflammatory properties, which can relieve skin irritation and redness, making it suitable for sensitive skin.
Application
- Cosmetics and Skin Care Products: Tetraisopalmitate Ascorbic Acid is widely used in skin care products such as creams, essences, lotions, and masks as an antioxidant and whitening ingredient.
- Anti-Aging Products: Due to its properties in promoting collagen synthesis, ascorbyl tetraisopalmitate is often used in anti-aging skin care products to help improve skin texture and reduce wrinkles.
- Whitening products: This ingredient is widely used in whitening products to help improve uneven skin tone and lighten spots.
- Sunscreen products: Tetraisopalmityl ascorbic acid can also be used as an ingredient in sunscreen products to enhance the sunscreen effect and protect the skin from UV damage.
Properties
- At 0.1% reduces melanin synthesis by 80%
- At 10% eliminated age spots in 16 weeks
- At 3% in vivo reduces Delta-L value by 15% vs. placebo (22 people), a way to measure whitening effect
- Increases collagen synthesis at least twice as much as ascorbic acid
- Protects the cells against UV-B better than other esters of Vitamin C
Formulation Guide
- Should be added into the oil phase of formulations at temperatures below 80°C (176°F)
- Can be used in formulas with a pH range of 3 to 6.
- Approved as a quasi-drug in Korea at 2%, and in Japan at 3%
- Approved as a functional ingredient for whitening at 2% in Korea
- Typical Usage: 0.5-3%, can be used up to 10%
- Appearance: Clear to pale yellow viscous liquid
- Solubility: Oil Soluble
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