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Find what it does, what the research suggests, and what is still uncertain. Concern labels describe ingredient context—not a product safety verdict.
Polyquaternium-4 is a cosmetic ingredient used for antistatic and film forming.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Polyquaternium-44 is a cosmetic ingredient used for antistatic and film forming.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Polyquaternium-46 is a cosmetic ingredient used for antistatic, film forming, and hair fixing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Loading ingredient names…
Polyquaternium-47 is a cosmetic ingredient used for film forming, hair fixing, and skin conditioning.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Polyquaternium-51 is a cosmetic ingredient used for film forming and skin conditioning.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Polyquaternium-53 is a cosmetic ingredient used for hair conditioning.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Polyquaternium-55 is a cosmetic ingredient used for hair fixing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Polyquaternium-6 is a cosmetic ingredient used for antistatic and film forming.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Polyquaternium-67 is a cosmetic ingredient used for antistatic, film forming, and hair conditioning.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Polyquaternium-68 is a cosmetic ingredient used for film forming and hair fixing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Polyquaternium-69 is a cosmetic ingredient used for hair fixing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Polyquaternium-7 is a cosmetic ingredient used for antistatic and film forming.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Search the complete ingredient name index. Published ingredient guides explain the seb-derm concern interpretation, supporting evidence, and limitations.
