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| Catalog Number | CI-SC-0734 |
| Product Name | Vitamin C (sodium ascorbyl phosphate) |
| CAS | 66170-10-3 |
| Structure |  |
| Description | Sodium ascorbyl phosphate (SAP) is specifically produced for use as a stabilized source of vitamin C in cosmetic products. Light-stable and oxygen-stable. Purity >95.0%. Ascorbic acid content at least 45%. May discolor at pH levels below 6. |
| Solubility | Soluble in water (clear solution at 3% concentration) |
| Appearance | White-to off-white powder, mild characteristic odor |
| Application | Lotions, creams, sun care & after sun products, makeup products. |
| Storage | Store light-protected at a cool and dry place |
| Composition | Sodium ascorbyl phosphate |
| Features And Benefits | Stabilized form of vitamin C that does not degrade in aqueous formulas. Esterification of asorbic acid protects vitamin C from oxidative degradation.Potent antioxidant (shown to be able to protect skin from oxidative damages)Can improve appearance of aged and fragile skinWidely used as add-on ingredient in skin-lightening products to correct hyperpigmentation and age spotsAntioxidant effect can be increased by adding L-ascorbyl palmitate and/or vitamin E. |
| GMO | GMO-free (does not contain plant-derived components) |
| HS Code | 2936270000 |
| INCI | Sodium ascorbyl phosphate |
| Manufacture | Sodium ascorbyl phosphate is produced by direct phosphorylation of ascorbic acid sodium salt where l-ascorbic acid is suspended in an oxygenated, non-hydroxylic solvent together with sodium and then treated with a phosphorylating agent. |
| Preservation | Preservative-free |
| Purity Grade | No purity grade applicable |
| Raw Material Source | L-ascorbic acid, sodium, and phosphoryl chloride (or other phosphorylating agents) |
| Uses | Add at the end of the formulation process just before the preservative, by pre-dissolving in a little distilled water. Typical use level 0.2-3%, but up to 10%. For external use only. |
What is sodium ascorbyl phosphate?
Sodium ascorbyl phosphate is a stable, water-soluble form of vitamin C made from combining ascorbic acid with a phosphate and a salt.
How does sodium ascorbyl phosphate function on and within the skin?
Sodium ascorbyl phosphate functions as an antioxidant on and within the skin.
What are the benefits of using sodium ascorbyl phosphate on the skin?
Sodium ascorbyl phosphate can brighten a dull skin tone, smooth wrinkles, visibly firm skin, reduce discolorations, fight free radicals, boost collagen production, even out skin tone, and have anti-acne benefits.
What is the usual concentration of sodium ascorbyl phosphate in skin care products?
The usual concentration of sodium ascorbyl phosphate in skin care ranges from 0.2-3%.
How does sodium ascorbyl phosphate compare to ascorbic acid in terms of wrinkle-smoothing and elasticity-increasing benefits?
A 5% concentration of sodium ascorbyl phosphate was shown to have equivalent wrinkle-smoothing and elasticity-increasing benefits as the same amount of ascorbic acid in a comparative study.
What concentrations of sodium ascorbyl phosphate have been shown to influence factors linked to breakouts?
Both 1% and 5% concentrations of sodium ascorbyl phosphate have been shown to influence factors linked to breakouts.
Is sodium ascorbyl phosphate safe to use in skin care products?
Yes, sodium ascorbyl phosphate is considered safe to use in skin care products.
What can weaken the efficacy of sodium ascorbyl phosphate over time?
Ongoing exposure to light and air can weaken the efficacy of sodium ascorbyl phosphate over time, although not as quickly as pure ascorbic acid.
Can sodium ascorbyl phosphate be used by all skin types?
Sodium ascorbyl phosphate is generally safe for all skin types, although some people may experience mild irritation.
What ingredients work well with sodium ascorbyl phosphate?
Other antioxidants, such as vitamin E and ferulic acid, as well as hydrating ingredients like hyaluronic acid, work well with sodium ascorbyl phosphate.
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