Potassium Alum
Potassium Alum
Also known as: potassium-alum
POT
2/10
Concern level
Low concern
A naturally occurring mineral used as an astringent and antiperspirant in cosmetic formulations.
Benefits
Antiseptic
Chemical Properties
Molecular Weight
258.21 g/mol pH Range
4.00 - 7.00Typical Concentration
1.00% - 5.00%CAS Number: 7784-24-9
Skin Type Compatibility
dry skin5/10
oily skin6/10
sensitive skin4/10
acne prone3/10
mature skin5/10
normal skin6/10
Risks & Warnings
Generally safe, but may cause mild irritation in sensitive individuals.
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