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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.
Homosalate is a cosmetic ingredient used for fragrance, uv absorber, and uv filter.
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 →Hydrogenated Polydecene is a cosmetic ingredient used for fragrance, hair conditioning, perfuming, skin conditioning, skin conditioning - emollient, and solvent.
Commonly found in: Shampoos
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Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
HYDROQUINONE is recorded in the retained cosmetic source index with functions including antioxidant, bleaching, fragrance, hair_dyeing, reducing. Function is not treated as proof of skin safety.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Hydroxycitronellal is an aromatic ingredient used in cosmetic fragrance compositions.
Commonly found in: Cleansers & body washes
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Hydroxyisohexyl 3-cyclohexene Carboxaldehyde is a cosmetic ingredient used for fragrance and perfuming.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Hydroxypropyl Cyclodextrin is a cosmetic ingredient used for fragrance and skin conditioning.
Commonly found in: Moisturizers
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 →ILEX PARAGUARIENSIS LEAF EXTRACT is recorded in the retained cosmetic source index with functions including hair_conditioning, perfuming, skin_conditioning. Function is not treated as proof of skin safety.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →ILLICIUM VERUM FRUIT EXTRACT is recorded in the retained cosmetic source index with functions including perfuming, 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 →ILLICIUM VERUM FRUIT/SEED OIL is recorded in the retained cosmetic source index with functions including fragrance, oral_care, tonic. 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 →Ionone is a cosmetic ingredient used for astringent and perfuming.
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.
