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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.
Tripropylene Glycol is a cosmetic ingredient used for antioxidant, emulsion stabilising, and humectant.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Triticum Vulgare Germ Oil is a cosmetic ingredient used for humectant, 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 →Urea is a water-attracting skin-care ingredient used to support hydration; in some scalp products it also contributes to scale softening.
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Commonly found in: Moisturizers · Targeted treatments
Malassezia context: Evidence gap
Direct seb derm context · General skin evidence · Evidence gap
Xylitol is a cosmetic ingredient used for anti-seborrheic, deodorant, flavouring, humectant, and skin conditioning - humectant.
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Xylityl Sesquicaprylate is a cosmetic ingredient used for antimicrobial, deodorant, humectant, skin conditioning, 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 →Xylitylglucoside is a cosmetic ingredient used for humectant and skin conditioning.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Xylose is a cosmetic ingredient used for fragrance, humectant, and skin conditioning.
Malassezia context: Evidence gap
General skin evidence · Evidence gap
Read evidence and limitations →Yeast Amino Acids is a cosmetic ingredient used for humectant.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →Zinc Pca is a cosmetic ingredient used for humectant and skin conditioning.
Commonly found in: Moisturizers
Malassezia context: Evidence gap
General skin evidence · Evidence gap · Cosmetic / regulatory assessment
Read evidence and limitations →58 matching names
Search the complete ingredient name index. Published ingredient guides explain the seb-derm concern interpretation, supporting evidence, and limitations.
A pentacyclic triterpenoid that is ursane substituted by a carboxy group at position 28 and hydroxy groups at positions 2, 3 and 23 (the 2α,3β stereoisomer). It is isolated from Symplocos lancifolia and Vateria indica and exhibits anti-angiogenic activity.
A secondary amino compound that is diethanolamine substituted by methyl groups at positions 1 and 1'. It is a versatile chemical used in a variety of personal care, cosmetic and industrial products.
The meso-diastereomer of butane-1,2,3,4-tetrol.
