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| Place of Origin: | CHINA |
| Brand Name: | RUNKEY |
| Certification: | GMP, ISO, KOSHER, HALAL |
| Model Number: | COSMETIC GRADE |
| Minimum Order Quantity: | 1kg |
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| Price: | Negotiable |
| Packaging Details: | 25kg/Carton and it can load 20MT in one 20'GP |
| Delivery Time: | Prompt shipment |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 10000 MT per year |
| Other Name: | L-Ascorbic Acid | Formula: | C6H8O6 |
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| Heavy Metal: | 10ppm Max | Grade: | Cosmetic Grade |
| Type: | Antioxidant | Lead Time: | 1 Week |
| High Light: | l ascorbic acid powder for skin,ascorbic acid vitamin c powder for face |
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Cas 50 81 7 Cosmetic Grade Vitamin C Powder for Skin As Antioxidant Agent C6H8O6
Introduction of Vitamin C
Vitamin C, also called L-Ascorbic Acid, is a soluble vitamin. It is an ingredient for anti-aging and maintenance. Vitamin C can reduce melanin and play the whitening effect. It also can stimulate the synthesis of collagen and play the wrinkle removing and tightening effect. Besides, Vitamin C can antioxidate, fight free radicals and prevent from irritation of external environment. It can intensify defense capability and avoid skin damage by ultraviolet ray. So Vitamin C is suitable for skin care both in day and night.
Specification
| TEST ITEMS | SPECIFICATIONS | TEST VALUE |
| Appearance | White or almost white, crystalline powder or colourless crystals | A white crystalline powder |
| Melting point | About 190℃, with decomposition | 191℃ |
| Infrared Absorption Spectrum | Infrared absorption spectrum accord with the reference spectrum of ascorbic acid CRS | Meets the requirements |
| pH (with 5% water solution) | 2.1 ~ 2.6 | 2.3 |
| pH (with 2% water solution) | 2.4 ~ 2.8 | 2.5 |
| Appearance of solution | Clarity : clear; Colour: ≤BY7 | Clarity: clear; Colour: <BY7 |
| Specific optical rotation | +20.5 ̊ ~ +21.5 ̊ | +21.0 ̊ |
| Loss on drying | ≤0.4% | 0.04% |
| Impurity E | ≤0.2% | Conforms |
| Related substance |
Impurity C: ≤0.15% Impurity D: ≤0.15% Unspecified impurities: ≤0.10% Total impurities: ≤0.2% |
Impurity C: undetectable Impurity D: 0.02% Unspecified impurities: 0.01% Total impurites: 0.03% |
| Copper | ≤5.0ppm | <5.0ppm |
| Iron | ≤2.0ppm | <2.0ppm |
| Arsenic | ≤3.0ppm | <3.0ppm |
| Lead | ≤2.0ppm | <2.0ppm |
| Mercury | ≤1.0ppm | <1.0ppm |
| Cadmium | ≤1.0ppm | <1.0ppm |
| Heavy metals | ≤10ppm | Conforms |
| Sulphated ash | ≤0.1% | 0.06% |
| Residual solvents | Meets the requirement | Meets the requirements |
| Assay | 99.0%~100.5% | 99.7% |
Method of Application:
1. Oral administration: take once half an hour before bed every night. Dissolve 2 grams in 150ml warm water and then drink. For one month, the skin and immunity can be improved much.
2. External Application:
A. Take 3 grams Vitamin C powder in pure water. Spray on the face after cleaning the face in the evening. There will be very good effect.
B. Homemade facial mask. Take 10 grams Vitamin C powder, mix with milk and egg white and then put it on the face. Clean it after 15 to 20 minutes.
Suitable Crowds:
1. The person who is easily tired.
2. The person worked in polluted environment. Someone with high Vitamin C in the body almost does not absorb the hazardous substances like lead, cadmium, chromium etc..
3. The person who is love of smoking. To eat more foods with Vitamin C can improve the resistance of cells, keep the elasticity of blood vessel and eliminate the nicotine in the body.
Packaging and storage
25kg/carton or drum or according to the requests of the customers in bulk.
For storage, it should be stored in a cool and dry place at room temperature and avoid the direct sunlight.
FAQ:
1. Can we get free samples?
We can provide free sample within 200g which is enough for test generally and the customers undertake the FedEx freight.
2. What is the warranty of the quality?
Contact Person: terry
Address: Room 601, Building 62, No. 221, Caiyun Road, Shanghai, 201306, China
