Peptides

Sodium Palmitoyl Ascorbyl Glucoside

INCI: SODIUM PALMITOYL ASCORBYL GLUCOSIDE

Reviewed by Daisy · Last updated 2 Jun 2026

A stabilised vitamin C derivative that supports skin hydration and protective functions

Best For Skin Types

All, Oily, Dry, Combination, Sensitive, Mature, Acne-prone

Addresses

Fine lines, Dryness, Hydration

Usage Frequency

Daily

What Is Sodium Palmitoyl Ascorbyl Glucoside?

Sodium Palmitoyl Ascorbyl Glucoside is a chemically modified form of vitamin C (ascorbic acid). It combines ascorbic acid with a palmitic acid chain and a glucose molecule, creating a more stable compound that is less prone to oxidation than pure vitamin C. This stability makes it easier to formulate into skincare products without degradation.

In formulation, this ingredient serves multiple roles: it acts as an emulsifier (helping water and oil-based components mix), a humectant (drawing moisture into the skin), and a masking agent (improving product feel and texture). It is used across a range of skincare products at relatively modest concentrations.

How It Works

The ingredient works through two mechanisms. First, the ascorbic acid component provides antioxidant activity—it neutralises free radicals that can contribute to skin damage and premature ageing signs. The glucose and palmitic acid modifications improve stability, allowing the vitamin C to remain effective throughout the product's shelf-life rather than degrading rapidly as unmodified vitamin C would.

Second, the humectant nature of this ingredient helps attract water into the outer layers of skin, supporting hydration. The emulsifying properties ensure even distribution and mixing within the product formulation.

Clinical Evidence & References

Research specifically on Sodium Palmitoyl Ascorbyl Glucoside is limited. Most evidence relates to the broader effects of vitamin C on skin health—including antioxidant activity, collagen support, and protection against environmental stressors. Because this ingredient is a derivative rather than pure ascorbic acid, direct comparisons of efficacy are not straightforward.

The humectant and antioxidant benefits are supported by general knowledge of vitamin C chemistry, but robust human clinical data on this specific form at typical cosmetic concentrations would strengthen confidence in its skincare benefits. It appears to be well-tolerated in formulated products.

How to Use

This ingredient is typically used as part of a complete skincare formulation rather than as a standalone treatment, so follow the product instructions. Since it offers antioxidant support, it works well when layered with other protective ingredients like sunscreen as part of your daily routine. Stability is a key advantage of this form, so the product should remain potent throughout its shelf-life if stored away from direct heat and sunlight.

Safety & Precautions

Sodium Palmitoyl Ascorbyl Glucoside is generally considered well-tolerated across skin types. As with any skincare ingredient, patch testing is recommended for those with known sensitivities.

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