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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.
Potassium Metabisulfite is a cosmetic ingredient used for hair waving or straightening, preservative, and reducing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Potassium sorbate is the potassium salt of sorbic acid. In cosmetics it is used as a preservative to help control microbial growth inside the product.
Commonly found in: Cleansers & body washes · Moisturizers
Malassezia context: Evidence gap
Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Propylparaben is a defined preservative used to help limit microbial spoilage in cosmetic formulas.
Commonly found in: Cleansers & body washes
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Loading ingredient names…
Quaternium-15 is a cosmetic ingredient used for antimicrobial and preservative.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Rosmarinus Officinalis Extract is a cosmetic ingredient used for antimicrobial, refreshing, and tonic.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Rosmarinus Officinalis Leaf Extract is a cosmetic ingredient used for antimicrobial, fragrance, and skin conditioning.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Salvia Officinalis Extract is a cosmetic ingredient used for anti-seborrheic, antimicrobial, antioxidant, astringent, cleansing, deodorant, skin conditioning, skin protecting, soothing, and tonic.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Salvia Triloba Leaf Extract is a cosmetic ingredient used for antimicrobial, astringent, and oral care.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Saponaria Officinalis Leaf Extract is a cosmetic ingredient used for antimicrobial and cleansing.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Silver Chloride is a cosmetic ingredient used for preservative.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Silver Citrate is a cosmetic ingredient used for antimicrobial, deodorant, and preservative.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Silver Oxide is a cosmetic ingredient used for antimicrobial.
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.
