Sodium Ascorbyl Phosphate
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INCI Name:
Sodium Ascorbyl Phosphate
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Molecular Formula:
C₆H₆Na₃O₉P
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CAS Number:
66170-10-3
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Alternate Names:
- SAP
- Vitamin C Phosphate
- Stable Vitamin C
- Sodium L-Ascorbyl-2-Phosphate
- Cosmetic Grade Sodium Ascorbyl Phosphate
Key Benefits:
- Stable and effective Vitamin C derivative
- Helps brighten dull-looking skin
- Supports a more even skin tone
- Provides antioxidant protection
- Helps improve skin clarity and radiance
- Suitable for acne-prone and oily skin formulations
Benefits & Uses (Short):
- Used in serums, creams, lotions, and gels
- Popular ingredient in brightening skincare products
- Helps enhance skin radiance and appearance
- Suitable for anti-aging and antioxidant formulations
- Commonly used in acne-care and skin tone-improving products
Recommended Usage Level:
- Serums: 1% – 5%
- Creams & Lotions: 0.5% – 5%
- Gels: 1% – 5%
- Toners: 0.5% – 3%
- Spot Care Products: 1% – 5%
How It Works (Short):
- Functions as a stable Vitamin C derivative that converts to active Vitamin C on the skin
- Helps reduce the appearance of uneven skin tone and dullness
- Provides antioxidant protection against environmental stressors
- Supports brighter and healthier-looking skin
- More stable than pure Ascorbic Acid in many cosmetic formulations
- Works exceptionally well with Niacinamide, Alpha Arbutin, Hyaluronic Acid, Licorice Extract, and Vitamin E
Key Benefits for Skin Care:
- Helps improve skin brightness and glow
- Supports a more even-looking complexion
- Provides antioxidant defense against free radicals
- Suitable for oily and blemish-prone skin
- Helps maintain youthful-looking skin
FAQs:
Q: What is Sodium Ascorbyl Phosphate used for?
A: It is used as a stable Vitamin C ingredient in skincare products for brightening, antioxidant protection, and improving skin appearance.
Q: Is Sodium Ascorbyl Phosphate better than Ascorbic Acid?
A: SAP is generally more stable in formulations and easier to formulate than pure Ascorbic Acid.
Q: Can SAP be used with Niacinamide?
A: Yes, Sodium Ascorbyl Phosphate works very well with Niacinamide and other brightening ingredients.
Q: Is SAP suitable for acne-prone skin?
A: Yes, it is commonly used in formulations designed for oily and blemish-prone skin.
Q: What pH works best for Sodium Ascorbyl Phosphate?
A: SAP is typically most stable in formulations with a pH range of approximately 6.0–7.0.
