Sodium Ascorbyl Phosphate

Sodium Ascorbyl Phosphate is an active ingredient in advanced cosmetics and skin care products. It is a stable vitamin C derivative. It protects the skin, promotes its growth and improves its appearance. Ascorbic acid phosphate sodium salt breaks down enzymes in the skin to release active vitamin C. Therefore, ascorbyl phosphate sodium salt is an effective antioxidant, which protects cells from damage caused by free radicals. Ascorbic acid phosphate sodium salt promotes collagen production and delays skin aging. Sodium ascorbyl phosphate also acts on the process of melanin production to prevent hyperpigmentation and actinic keratosis. So it makes the skin shiny. Due to its wide range of action, ascorbyl phosphate sodium salt can be widely used in skin care products. As an effective water-soluble antioxidant, it is stable in cosmetic formulations. For the common oil-soluble equivalent of vitamin E acetate, the combination of the two is the most ideal. Oil-soluble vitamin E acetate together with water-soluble ascorbyl phosphate sodium salt is an ideal antioxidant system in all skin care formulations to resist the damage of daily environmental stress to the skin. Other very important areas of use are sunscreen formulations, anti-wrinkle products, body lotions, day creams, night creams and whitening products. Sodium ascorbyl phosphate powder is suitable for skin tightening, tolerant skin, dry skin, pigmented skin, oily skin, and wrinkled skin.


Sodium Ascorbyl Phosphate-Lyphar Biotech Co., Ltd

Product Name Sodium Ascorbyl Phosphate
CAS NO 66170-10-3
Solubility Soluble in water, soluble in glycerol, slightly soluble in propylene glycol.
Storage Cool and Dry Place
Sample Available

Skin Benefits Of Sodium Ascorbyl Phosphate.

Just like all forms of vitamin C, Sodium ascorbyl phosphate offers the same potential to the skin, except for the fact that it isn’t as potent as the pure form of vitamin C (L-ascorbic acid).

1. Fights Free Radicals.

Sodium ascorbyl phosphate works to combat the effects of UV damage by scavenging the free radicals that cause DNA changes and lead to signs of photoaging [2]. Exposure to sun and pollution creates free radicals in the skin, which ultimately can cause things such as spots, wrinkles, and sagging. But that doesn’t mean it should replace your sunscreen, always wear your sunscreen before exploring your outdoor activities. And also note that vitamin C helps potentiates the effect of your sunscreen.

2. Helps Fight Acne.

Sodium ascorbyl phosphate possesses anti-inflammatory potentials which makes it effective in getting rid of acne. As proven in a research study, sodium ascorbyl phosphate shows in vitro and in vivo efficacy in the prevention and treatment of acne vulgaris. Coupled with the fact that it’s less irritating than other forms of vitamin C, makes it a good pick for those prone to breakouts.

3. Enhances Collagen Production.

Collagen gives your skin its firm structure and texture, when collagen production level depletes, it becomes a problem — which gives room for skin aging signs like wrinkles, fine lines and saggy skin. Sodium ascorbyl phosphate form of vitamin C helps promotes collagen production by enhancing fibroblast (the cell that creates collagen) to produce more collagen which in turn promotes skin elasticity and firmness.

4. Brightens Discoloration.

Sodium ascorbyl phosphate not only enhances your skin’s appearance by brightening your complexion but also targets and fades off hyperpigmentation such as brown spots, dark spots, sun spots and even acne scars by blocking the pathway of pigment synthesis.

How To Use Sodium Ascorbyl Phosphate.

Sodium ascorbyl phosphate can be found in over-the-counter water-based products such as serums, toners and moisturizers, but mostly found in serums. To get the most of sodium ascorbyl phosphate, ensure to go for products in serums with higher concentration (15-20%) considering the fact it’s a non-acidic, which makes it have no skin exfoliating or sensitization potentials — making it suitable for people with sensitive skin. It’s also safe to use in conjunction with skincare actives, such as alpha and beta hydroxy acids, retinol, and SPF.

Apply both morning (AM) and Evening (PM) for more effective results. Vitamin C helps fight environmental aggressors, fend-off free radicals and keeps the skin protected, it also potentiates the efficacy of your sunscreen to further protect your skin from UVA and UVB rays of the sun.

Advantages of Sodium Vitamin C Phosphate

1. Compared with Vitamin C

Vitamin C is a catalyst in cellular oxidation-reduction reactions, which cannot be synthesized by the human body and must be taken from food. High activity is the advantage of vitamin C, but at the same time, it is its disadvantage. ability. If vitamin C is left open at room temperature for a day, the loss will reach more than 50%, and it will decompose faster under high temperature or light. It is easy to dehydrate and lose its activity in a high-temperature acidic medium.

2. Compared with other vitamin C derivatives

Common vitamin C derivatives mainly include vitamin C metal salt, vitamin C phosphate, vitamin C sulfate, vitamin C palmitate and so on.

Although vitamin C metal salt is simple and easy to obtain, its stability is not high due to its easy moisture absorption and oxidative decomposition. The study found that vitamin C sulfate cannot be absorbed and utilized by the human body; the raw material resources of palmitate required for vitamin C palmitate are not very abundant, and it is not suitable for large-scale production. The disadvantages of magnesium vitamin C phosphate in industrial production and application are mainly as follows: the crystallization yield is not high, and it is difficult to separate from the by-products produced by the reaction; the dissolution rate in water is very low, and it is easy to change color after being placed. Sodium vitamin C phosphate overcomes the shortcomings of the above-mentioned vitamin C derivatives, has high stability and good water solubility, and can be decomposed and utilized by phosphatase in the human body, so it is suitable for large-scale production.

The recommended dose of Sodium Vitamin C Phosphate

Application Dosage
Daily Skin Care products 0.2-2%
Sunscreen products 0.2-1%
Skin whitening products 3-5%
Acne treatment products 1%~5%


1. The combination of water-soluble sodium vitamin C phosphate and oil-soluble vitamin E acetate has a synergistic effect, and the combination of the two can form an excellent antioxidant system;

2. Compounding with ascorbyl palmitate will also enhance its antioxidant properties;

3. When preparing cosmetics, sodium vitamin C phosphate should be added at a low temperature of less than 40 °C;

4. Sodium vitamin C phosphate is the most stable above pH 6.5, and will change color when pH is lower than 6;

5. Cosmetics containing sodium vitamin C phosphate should be stored in an environment below 25°C after preparation.

Vitamin C Sodium Phosphate Safety

1. The CIR Expert Panel has concluded through experimental research that sodium ascorbyl phosphate is safe to use in cosmetics;

2. The research results of the Australian National Industrial Chemicals Notification and Assessment Agency (NICNAS) show that the upper limit of the concentration of sodium ascorbyl phosphate in most cosmetic formulations is 5%, and the upper limit of the concentration in sunscreen products is 1%, otherwise it will cause skin irritation and allergy. and other side effects.

3. Sodium Ascorbyl Phosphate has been included in the 2010 edition of the “Catalogue of Chinese Names of International Cosmetic Raw Materials Standards” issued by the State Food and Drug Administration.

Sodium Ascorbyl Phosphate-Lyphar Biotech Co., Ltd

Sodium Ascorbyl Phosphate-Lyphar Biotech Co., Ltd

Sodium Ascorbyl Phosphate-Lyphar Biotech Co., LtdSodium Ascorbyl Phosphate-Lyphar Biotech Co., LtdSodium Ascorbyl Phosphate-Lyphar Biotech Co., Ltd

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