Humectant

Ascorbylpropyl Hydrolyzed Hyaluronate

INCI: ASCORBYLPROPYL HYDROLYZED HYALURONATE

Reviewed by Emma · Last updated 2 Jun 2026

A stabilised vitamin C derivative that hydrates whilst supporting skin barrier function

Best For Skin Types

All, Dry, Sensitive, Mature

Addresses

Dryness, Hydration, Sensitivity

Usage Frequency

Daily

What Is Ascorbylpropyl Hydrolyzed Hyaluronate?

Ascorbylpropyl hydrolyzed hyaluronate is a hybrid ingredient that combines two functional components: a stabilised form of vitamin C (ascorbic acid) paired with hydrolyzed hyaluronic acid. This combination is designed to offer both antioxidant benefits and humectant properties in a single molecule.

The ingredient functions as a humectant, drawing moisture into the skin, whilst the vitamin C component may provide antioxidant support. Because this derivative stabilises vitamin C, it may offer better shelf stability than pure ascorbic acid, which degrades readily when exposed to air and light.

How It Works

Hyaluronic acid works as a humectant by binding water molecules and holding them in the skin, which helps improve hydration and plumpness. The hydrolyzed form (broken into smaller molecules) may penetrate more effectively than larger hyaluronic acid molecules.

The vitamin C derivative provides antioxidant activity, which helps neutralise free radicals generated by UV exposure and environmental pollution. Stabilising vitamin C in this form reduces the ingredient's sensitivity to degradation, potentially extending its shelf life and efficacy in formulations.

Clinical Evidence & References

Research on hyaluronic acid and hydrolyzed collagen suggests these ingredients can support skin hydration and barrier function, particularly in dry or compromised skin conditions. Studies indicate that topical application improves skin hydration and reduces transepidermal water loss when used consistently.

Evidence specifically on ascorbylpropyl hydrolyzed hyaluronate as a complete ingredient is limited. Most existing research focuses on vitamin C derivatives and hyaluronic acid as separate entities, so the combined efficacy of this specific molecule requires further investigation.

How to Use

This ingredient is typically found in serums, moisturisers, and essences. Apply to clean, damp skin to maximise the humectant effect of the hyaluronic acid component. It works well in layered routines and can be used morning and evening. Because it's a stabilised form of vitamin C, it should remain effective throughout the product's shelf life if stored as directed, though all products benefit from storage away from direct sunlight and heat.

Safety & Precautions

Ascorbylpropyl hydrolyzed hyaluronate is generally well-tolerated. Those with sensitivity to vitamin C derivatives should patch test before full application.

Frequently Asked Questions

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