Aminopropyl Ascorbyl Phosphate

Aminopropyl Ascorbyl Phosphate is a water-soluble vitamin C derivative optimized for greater stability in cosmetic formulations. It supports antioxidant activity in water-based products and improves the look of dull, uneven skin tone over time.
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Ingredient Snapshot

Overview
A stable vitamin C that fights daily damage and brightens tone.
Category
Antioxidant, Brightening, Hyperpigmentation, Tone/Texture
Type
Antioxidant

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Helps defend skin from daily oxidative stress and can support a more luminous, even-looking complexion over time. Evidence for strong discoloration reduction is limited, so results may be gradual.

Uses In Skincare & Cosmetics

Common in water-based serums, essences, and light lotions aimed at radiance routines; also included in toners for daytime antioxidant layering.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally low risk in leave‑on formulas, but sensitive skin may experience tingling or irritation. Patch test if reactive and avoid layering with multiple strong acids to minimize irritation.

Is Aminopropyl Ascorbyl Phosphate a Good Ingredient?

This lands at Fair because it’s more stable and water‑compatible than pure vitamin C, but clinical support for strong brightening or collagen effects is limited and skin conversion may be inefficient. Mild stinging or irritation can occur, especially at higher strengths or low pH.

Products with Aminopropyl Ascorbyl Phosphate

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