Sodium Carbonate ●
TL;DR. This ingredient is used mainly as a pH adjuster and alkalinity builder, helping raise formula pH and neutralize acidic components. In cleansing products, it can also support detergency by increasing alkalinity.
What does Sodium Carbonate do in a cosmetic formula?
This ingredient is used mainly as a pH adjuster and alkalinity builder, helping raise formula pH and neutralize acidic components. In cleansing products, it can also support detergency by increasing alkalinity.
Is Sodium Carbonate clean?
From a clean-beauty perspective, this ingredient is generally accepted and not a common restricted-list concern. Concentrated material can be irritating because of high alkalinity, so finished-product pH and use level matter.
Is Sodium Carbonate sustainable?
This material is typically mineral-derived or made from abundant mineral feedstocks, with some energy demand in industrial production. It is water-soluble, does not bioaccumulate, and does not create the persistence concerns associated with many synthetic polymers or silicones.
Is Sodium Carbonate COSMOS-approved?
It is permitted under COSMOS-natural and COSMOS-organic standards when used within the standard’s rules for mineral-derived inorganic ingredients. Its Green Chemistry profile is fairly strong on abundance and aquatic fate, though industrial manufacture is not especially low-energy.
How does Sodium Carbonate work chemically?
This inorganic salt dissociates in water into sodium ions and alkaline buffering species, raising pH and shifting acid-base balance in the formula. Use is typically q.s. for pH adjustment rather than as a fixed percentage, and it should be added with pH monitoring because small changes can noticeably alter mildness and preservative performance.
Last updated 2026-05-13