Database/Bulking/Magnesium Sulfate
100% natural origin · ISO 16128

Is Magnesium Sulfate natural?

Yes. Magnesium sulfate (Epsom salt) is a naturally occurring mineral salt, natural origin under ISO 16128.

INCI nameMagnesium Sulfate
CAS7487-88-9
FormulaMgO4S · 120.37 Da
FunctionBulking
FeedstockMined or crystallized from natural mineral brines/deposits, or…

How we scored it

MgSO4, inorganic mineral salt; magnesium and sulfate both mineral origin → 1.0
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Mined or crystallized from natural mineral brines/deposits, or made by neutralizing sulfuric acid with magnesium mineral. Fully inorganic mineral origin.

In plain English

A mineral salt (Epsom salt). Used in cosmetic formulas as a bulking agent.

CosIng definition: Magnesium Sulfate is the inorganic salt that conforms to the formula:

Structure

2D structure of Magnesium Sulfate

magnesium sulfate

PubChem CID 24083 ↗

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2Magnesium Sulfate. PubChem CID 24083. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3MAGNESIUM SULFATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4MAGNESIUM SULFATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=MAGNESIUM%20SULFATE