Potential inhalation concern
Review use context
Common skin support ingredient
Ingredient Guide
Our A-Z reference covers cosmetic ingredients found in lab-tested products, with plain English explanations of risk level, use context, and product relevance.
Screened through product analysis
Grouped by risk and use context
Plain-language safety summaries
Ingredient Library
Open an ingredient profile to review its known concerns, regulatory context, and related product findings.
PEG-100 Stearate
PEG compounds may enhance skin penetration of other substances into deeper skin layers.
Dimethicone
Silicone coating can build up on hair shaft. Environmental persistence concerns.
Salicylic Acid
Moderate concern depending on concentration and product type. Salicylic Acid is effective for acne and exfoliation, but it may cause dryness, peeling, stinging, irritation, or increased skin sensitivity, especially with frequent use or sensitive skin.
HOW WE CLASSIFY
Ingredients with serious safety concerns or high-risk exposure patterns are marked for avoidance.
Ingredients with possible concerns are explained with context, concentration, and product category in mind.
Lower-level notices help you understand sensitivity, usage, and formulation tradeoffs.
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Search tested products to understand how ingredient concerns appear in real formulas.
