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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.
Formic Acid is a cosmetic ingredient used for fragrance, ph adjusters, and preservative.
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Glutaral is a cosmetic ingredient used for fragrance and preservative.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Glyoxal is a cosmetic ingredient used for antimicrobial and perfuming.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Loading ingredient names…
Guaiazulene is a cosmetic ingredient used for antimicrobial and perfuming.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Hedera Helix Leaf/stem Extract is a cosmetic ingredient used for anticaking, antimicrobial, astringent, skin conditioning, soothing, and tonic.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Hexylresorcinol 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 →Humulus Lupulus Extract is a cosmetic ingredient used for antimicrobial, antiperspirant, fragrance, hair conditioning, skin conditioning, and skin protecting.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Hypericum Perforatum Extract is a cosmetic ingredient used for antimicrobial, astringent, fragrance, skin conditioning, skin protecting, soothing, and tonic.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →HYPERICUM PERFORATUM FLOWER/TWIG EXTRACT is recorded in the retained cosmetic source index with functions including antimicrobial, antiperspirant, skin_conditioning. Function is not treated as proof of skin safety.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Imidazolidinyl Urea is a cosmetic ingredient used for preservative.
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Iodopropynyl Butylcarbamate is a cosmetic ingredient used for preservative.
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Isobutylparaben 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.
