Sodium Ascorbyl Phosphate
抗坏血酸磷酸酯钠
Also known as: SAP
What it does
- Stable Vitamin C derivative
- Brightening
- Anti-acne
Evidence
Moderate evidenceStudies show 5% SAP effective against acne. Good stability at neutral pH.
Skin types
Well suited for: All Sensitive Acne Prone
Very well-tolerated. Works at neutral pH.
Helps with
Dark Spots & Hyperpigmentation Acne & Breakouts Dullness
Irritation potential
Very Low
Comedogenic rating
0 / 5
Pregnancy
Generally considered safe during pregnancy
Safe during pregnancy.
Good to know
Works at skin-friendly pH 6-7 unlike L-ascorbic acid (pH <3.5). Also has anti-acne properties.
References
Compound data from PubChem (U.S. National Library of Medicine).
Further reading
- Oxidative stress and antioxidant strategies in dermatology — Redox Rep (2016)
- Vehicles for Drug Delivery and Cosmetic Moisturizers: Review and Comparison — Pharmaceutics (2021)
Selected peer-reviewed reviews on this ingredient, indexed by Europe PMC. Provided as background, not proof of any specific claim.
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Analyze a productEducational information only — not medical advice. Always patch test and consult a dermatologist for skin concerns.