Ascorbic Acid Polypeptide
Also known as: Vitamin C Polypeptide
Ascorbic Acid Polypeptide is a stabilized form of Vitamin C, created by binding ascorbic acid to a polypeptide chain. This modification helps improve its stability and delivery into the skin. It functions as an antioxidant, brightens skin tone, and supports collagen production.
Vitamin cVitamin derivativeVegan
BenefitGood 3.2 / 4
Pigmentation i3 / 4
Whether it can help uneven tone, dark spots, melasma-like discoloration, or post-inflammatory hyperpigmentation — including brightening and tyrosinase-inhibiting ingredients.
Texture i2.5 / 4
Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.
Uv protection i1.5 / 4
Whether it provides direct protection against UV radiation.
Soothing i1 / 4
Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.
RiskLow 0.5 / 4
Irritation i0.5 / 4
Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
- Potent antioxidant
- Brightens skin tone
- Supports collagen synthesis
- Improves skin firmness
Things to watch
- May cause mild irritation in sensitive individuals, especially at higher concentrations
Pairs well with
- Sunscreen Filter — Antioxidants like Vitamin C enhance the protective effects of sunscreen against environmental damage.
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Products with Ascorbic Acid Polypeptide
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Frequently asked questions
- What is Ascorbic Acid Polypeptide?
- Ascorbic Acid Polypeptide is a stable derivative of Vitamin C, where ascorbic acid is chemically linked to a polypeptide. This structure helps to improve its penetration and reduce degradation compared to pure ascorbic acid.
- How does Ascorbic Acid Polypeptide benefit the skin?
- It acts as a powerful antioxidant, protecting the skin from free radical damage. It also helps to brighten skin tone, reduce the appearance of hyperpigmentation, and stimulate collagen production for firmer, more youthful-looking skin.
