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Structure builders

Magnesium sulfate

Its magnesium ions can influence emulsifier organization, polymer viscosity, clarity, and deposition more strongly than simple sodium salts.

INCI
MAGNESIUM SULFATE
CAS
7487-88-9
Also known as
Epsom salt · magnesium sulphate
Ingredient answer

What is Magnesium sulfate?

Magnesium sulfate is a divalent inorganic salt used for ionic strength, water-in-oil emulsion support, bath formats, and texture adjustment.

Formulation behavior

How it works inside a formula

Control hydrate form and addition order, then test electrolyte-sensitive thickeners, emulsion stability, crystallization, and package dispensing.

Where it appears

Common product contexts

  • creams and lotions
  • gels
  • cleansers and conditioners
Practical caution

What to keep in view

Hydration, processing order, electrolytes, pH, and shear can materially change performance.

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