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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.
Basic Red 51 is a cosmetic ingredient used for hair dyeing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Basic Red 76 is a cosmetic ingredient used for hair dyeing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Basic Violet 16 is a cosmetic ingredient used for hair dyeing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Loading ingredient names…
Basic Violet 2 is a cosmetic ingredient used for hair dyeing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Basic Yellow 40 is a cosmetic ingredient used for hair dyeing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Basic Yellow 57 is a cosmetic ingredient used for hair dyeing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Basic Yellow 87 is a cosmetic ingredient used for hair dyeing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Batyl Alcohol is a cosmetic ingredient used for emulsion stabilising, skin conditioning, and skin conditioning - emollient.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Bee Venom is a cosmetic ingredient used for astringent and skin protecting.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Beer is a cosmetic ingredient used for hair conditioning and skin conditioning.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Beeswax is a cosmetic ingredient used for binding, emulsion stabilising, fragrance, skin conditioning, and viscosity controlling.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Beeswax Acid is a cosmetic ingredient used for cleansing, light stabilizer, surfactant - cleansing, and surfactant - emulsifying.
Commonly found in: Shampoos
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.
