Ingredient Directory
Low ConcernVegan

Potassium Hydroxide

Caustic potash / KOH

Safety Notes

Same use context as NaOH; liquid soaps often made with KOH; residual trace in finished soap if properly formulated; not present in caustic form in finished product

Function & Common Use

Function

pH Adjuster / Neutraliser / Saponification

Category

pH Adjuster

Common In

pH adjustment in aqueous cosmetics soap saponification

Origin

Synthetic (mineral)

Concentration Limits

India (CDSCO)

No formal limit

EU Cosmetics Reg.

As pH adjuster, final product must be appropriate pH; as soap-maker, in soap at trace levels after saponification

Frequently Asked Questions

Is Potassium Hydroxide safe to use in skincare?

Potassium Hydroxide has a Low concern rating from The Clean Sheet. Same use context as NaOH; liquid soaps often made with KOH; residual trace in finished soap if properly formulated; not present in caustic form in finished product

Is Potassium Hydroxide allowed in India?

Potassium Hydroxide is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is No formal limit.

What is Potassium Hydroxide used for in cosmetics?

Potassium Hydroxide functions as: pH Adjuster / Neutraliser / Saponification. It is commonly found in: pH adjustment in aqueous cosmetics soap saponification.

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

Regulatory Status

India (CDSCO)
Permitted
EU
Permitted
US FDA
Permitted
Korea (MFDS)
Permitted

Identifiers

CAS1310-58-3
EC215-181-3

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