Question 1

What does Sodium Hyaluronate ( aka hyaluronic acid do in a cosmetic formula?

Accepted Answer

This ingredient is primarily a humectant and skin-conditioning polymer that binds water and helps reduce transepidermal water loss through a light surface film. It is used in serums, creams, masks, and hair care for hydration, slip, and a plumper skin feel.

Question 2

Is Sodium Hyaluronate ( aka hyaluronic acid clean?

Accepted Answer

From a clean-beauty perspective, this ingredient is widely accepted, low-irritation, and not a common restricted-list concern. Sensitivity is uncommon and is more often linked to the overall formula, preservative system, or very high-use tacky textures than to the molecule itself.

Question 3

Is Sodium Hyaluronate ( aka hyaluronic acid sustainable?

Accepted Answer

This material is commonly made by controlled fermentation using sugar-based feedstocks rather than animal extraction. It is biodegradable, but its footprint depends on fermentation energy, purification, water use, and supplier controls.

Question 4

Is Sodium Hyaluronate ( aka hyaluronic acid COSMOS-approved?

Accepted Answer

It is generally compatible with COSMOS-natural, and it may be used in COSMOS-organic formulas when the fermentation and processing inputs meet the standard. Its Green Chemistry profile is strong when made by fermentation from renewable feedstocks, with good biodegradability and no major persistence concern.

Question 5

How does Sodium Hyaluronate ( aka hyaluronic acid work chemically?

Accepted Answer

This compound is a high-molecular-weight, anionic polysaccharide built from repeating sugar-acid and amino-sugar units, and different molecular weights change film feel, penetration profile, and viscosity. Typical use levels are about 0.01% to 2%, most often 0.05% to 0.5%, with best formula stability around mildly acidic to neutral pH and reduced stability under strong acid, strong base, high heat, or oxidizing conditions.