Recently, as the global market demand for natural, stable and high-efficiency active ingredients continues to surge, Sodium Ascorbyl Phosphate Powder (SAP Powder for short) has been gaining increasing popularity in the fields of beauty and skincare, food additives, health products and more, thanks to its excellent stability, mildness and diverse efficacy. It has become the preferred active raw material to replace traditional vitamin C. As a water-soluble and stable vitamin C derivative, SAP Powder perfectly addresses the industry pain points of traditional vitamin C such as easy oxidation, poor heat resistance and strong irritation. Relying on mature preparation processes, it injects natural vitality into the high-quality development of various industries.
Sodium Ascorbyl Phosphate (CAS No.: 134-03-2), with the chemical name Trisodium L-ascorbate-2-phosphate, has a molecular formula of C₆H₈Na₃O₉P and a molecular weight of 322.07. It is a derivative obtained by phosphorylating natural vitamin C (L-ascorbic acid). It appears as a white to slightly yellow crystalline powder, odorless with a slightly sour taste. It is highly soluble in water, slightly soluble in ethanol and insoluble in oils and fats. The pH value of its 1% aqueous solution is stably maintained at 5.5-7.5, boasting excellent chemical and thermal stability—it is not prone to oxidative decomposition under high-temperature processing, light storage and other conditions, with a retention rate far exceeding that of traditional vitamin C. Moreover, its irritation is significantly reduced, making it suitable for multi-scenario applications such as sensitive skin care and infant food production.
With its unique molecular structure and physicochemical properties, SAP Powder possesses multiple core efficacies including antioxidant, skin whitening and brightening, repair and protection, as well as nutrition fortification. It also has excellent compatibility with various formula ingredients, being widely applied in beauty and skincare, food and beverage, dietary supplements and other fields, with its market recognition and application penetration rate rising steadily.
Antioxidation is one of the core advantages of SAP Powder. As a high-efficiency free radical scavenger, SAP Powder can slowly release active vitamin C after entering the human body or contacting the skin, accurately neutralizing reactive oxygen species (ROS) such as hydroxyl radicals and superoxide anions, blocking the damage of oxidative stress to cells and protecting the integrity of cell membranes, proteins and DNA. Compared with traditional vitamin C, it has stronger stability and a longer duration of action. In the food industry, it can effectively delay oil oxidation and pigment degradation, extending the shelf life of food; in the skincare field, it can reduce oxidative damage caused by ultraviolet rays, environmental pollution and other factors, delaying skin aging.
In the beauty and skincare industry, SAP Powder is a core raw material for high-end whitening, anti-aging and repair products. Its whitening effect is achieved mainly through three mechanisms: first, inhibiting the activity of tyrosinase to reduce melanin synthesis; second, reducing formed melanin to fade spots and dullness; third, promoting collagen synthesis to improve skin roughness and fine lines, enhancing skin brightness and firmness. Clinical data shows that continuous use of skincare products containing SAP Powder for 8-12 weeks can improve skin tone uniformity by 20%-30% and reduce the area of spots by more than 25%. Meanwhile, its mild and low-irritation property makes it suitable for all skin types such as sensitive skin and acne-prone skin. It can be widely used in serums, creams, lotions, facial masks, toners and other products, solving the pain point of strong irritation and easy skin flushing caused by traditional vitamin C products.
In terms of skin repair and protection, SAP Powder can promote the metabolism of the skin stratum corneum, repair damaged skin barriers, enhance the skin's own water-locking capacity and resistance, and alleviate skin discomfort such as dryness, flushing and sensitivity. At the same time, its antioxidant effect can strengthen the skin's protection against ultraviolet rays and reduce signs of photoaging. When used in synergy with sunscreen ingredients, it can significantly improve the anti-photodamage effect of sunscreen products. In addition, SAP Powder also has a certain anti-inflammatory effect, which can inhibit the release of inflammatory factors and help improve redness and inflammation of acne-prone skin.
In the food and health product industries, SAP Powder, as a high-quality vitamin C nutritional fortifier, has a wide range of application scenarios. In food and beverages, it can be added to fruit juices, drinks, dairy products, candies, baked foods and other products to supplement the vitamin C required by the human body, while improving the nutritional value and shelf life of food. It will not lose its efficacy due to high-temperature processing, making it suitable for various food production processes. In dietary supplements, it can be made into tablets, capsules, granules and other products to supplement vitamin C for the human body, enhance the body's immunity, prevent scurvy, improve skin condition, and is suitable for daily nutritional supplementation of all groups of people.
Sodium Ascorbyl Phosphate are now available for purchase at Xi’an Biof -Technology Co., Ltd. For more information , visit https://www.biofingredients.com.
XI'AN BIOF BIO-TECHNOLOGY CO.,LTD
Email: Tom@xabiof.com
Tel/WhatsApp: +86-15091533695
Website: https://www.biofingredients.com
Post time: Jan-27-2026
