Loading source-checked ingredient information…
The published guidance and source records will appear here when ready.
Find what it does, what the research suggests, and what is still uncertain. Concern labels describe ingredient context—not a product safety verdict.
Hydrated Silica is a cosmetic ingredient used for abrasive, absorbent, anticaking, bulking, opacifying, and viscosity controlling.
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Hydrochloric Acid is a cosmetic ingredient used for buffering.
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Hydrocortisone is a topical corticosteroid active used to reduce inflammation and itch in corticosteroid-responsive skin conditions.
Commonly found in: Targeted treatments
Malassezia context: Evidence gap
Direct seb derm context · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Hydrofluorocarbon 152a is a cosmetic ingredient used for propellant.
Loading ingredient names…
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Hydrogen Dimethicone is a cosmetic ingredient used for film forming.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Hydrogen Peroxide is a cosmetic ingredient used for antimicrobial, oral care, and oxidising.
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Hydrogenated Apricot Kernel Oil is a cosmetic ingredient used for skin conditioning.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →HYDROGENATED ARGANIA SPINOSA KERNEL OIL is recorded in the retained cosmetic source index with functions including skin_conditioning_emollient. 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 →Hydrogenated Castor Oil is a cosmetic ingredient used for skin conditioning, skin conditioning - emollient, surfactant - cleansing, surfactant - emulsifying, and viscosity controlling.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Hydrogenated Castor Oil Behenyl Esters is a cosmetic ingredient used for emulsion stabilising and hair conditioning.
Commonly found in: Shampoos
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Hydrogenated Castor Oil Dimer Dilinoleate 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 →Hydrogenated Castor Oil/sebacic Acid Copolymer is a cosmetic ingredient used for hair conditioning, skin conditioning, and skin conditioning - emollient.
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.
