Potassium Alum

Potassium Alum is a cosmetic ingredient used as an astringent agent. It is used in 42 products in our dataset. It carries no restriction under the EU Cosmetics Regulation annexes. PubMed carries 133 studies of its skin or topical use.

INCI namePOTASSIUM ALUM
FunctionASTRINGENT
CAS number10043-67-1 / 7784-24-9
EC number233-141-3 / -
Prevalence42 products (0.05% of dataset)
Most used inDeodorant
EU statusNo annex restriction
Scientific studies133 on PubMed (skin/cosmetic/topical)
Monthly searches2,900

Used in

Deodorant 64.3%Toners 11.9%Body Lotions 4.8%Lipsticks 4.8%Other Bath & Body 4.8%Exfoliators 2.4%

Frequently asked

What does Potassium Alum do in skincare?
Potassium Alum functions as an astringent agent in cosmetic formulas.
What products contain Potassium Alum?
It is most commonly found in Deodorant products, especially deodorant (64.3% of its uses).

Manufacturers with experience using Potassium Alum

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.