Low ConcernVegan

Magnesium Sulfate

Epsom salt / MgSO4

Safety Notes

Magnesium salt; bath soaks for muscle relaxation (transdermal magnesium absorption evidence debated); mineral; well-tolerated; mild astringent; bulking in salt products

Function & Common Use

Function

Bulking Agent / Skin Conditioning / Viscosity Modifier

Concentration Limits

India (CDSCO)

No limit

EU Cosmetics Reg.

No limit

US FDA (21 CFR)

No specific 21 CFR cosmetic limit identified in source checked

Korea (MFDS)

No specific MFDS limit identified in source checked; verify if ingredient is used in a Korean functional cosmetic category

Pregnancy: No specific restriction identified in source checked; standard cosmetic use

Frequently Asked Questions

Is Magnesium Sulfate safe to use in skincare?

Magnesium Sulfate has a Low concern rating from The Clean Sheet. Magnesium salt; bath soaks for muscle relaxation (transdermal magnesium absorption evidence debated); mineral; well-tolerated; mild astringent; bulking in salt products

Is Magnesium Sulfate allowed in India?

Magnesium Sulfate is currently classified as "Permitted" under Indian cosmetics regulations. No concentration limit is specified for India.

What is Magnesium Sulfate used for in cosmetics?

Magnesium Sulfate functions as: Bulking Agent / Skin Conditioning / Viscosity Modifier. It is commonly found in: Bath salts body soaks mineral skincare.

TCS Assessment

Low Concern

Data Confidence

High

Based on peer-reviewed safety data, regulatory status, and expert review by The Clean Sheet panel.