Aminopropyl Ascorbyl Phosphate

Stable water-soluble vitamin C derivative. More oxidation-stable than L-ascorbic acid, but antioxidant and brightening activity are lower.

Anti-aging

Evidence by route

Topical application

Weak evidence. In vitro data, open-label studies, or expert consensus.

Brightening derivative (Sepi-White by Seppic). Clinical data on lightening exists, less convincing than MAP/SAP.

Tolerability and safety

Irritation potential

Low

Allergen risk

Low

Pregnancy

Safe

Skin types

Suitable for

NormalDrySensitiveCombination

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Combinations with other ingredients

Works well with

RetinolРетинол

AAP (BV-OSC) is a premium vitamin C form with neutral pH and high stability. Compatible with retinol in a single formula and often sits in anti-aging complexes together with peptides.

Frequently asked questions

Is Aminopropyl Ascorbyl Phosphate safe during pregnancy?

Aminopropyl Ascorbyl Phosphate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.

What skin types is Aminopropyl Ascorbyl Phosphate for?

Aminopropyl Ascorbyl Phosphate suits: normal, dry, sensitive, combination.

What is Aminopropyl Ascorbyl Phosphate and what does it do in cosmetics?

Stable water-soluble vitamin C derivative.

What's the INCI name for Aminopropyl Ascorbyl Phosphate?

The INCI name is Aminopropyl Ascorbyl Phosphate. It may also appear as: APAP, Аминопропил аскорбилфосфат.

Published: April 16, 2026 · updated: May 17, 2026