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.
Parfum
Synthetic fragrance — generic term concealing undisclosed chemicals. Common allergen trigger.
Potassium Thioglycolate
Chemical depilatory agent. Can cause skin irritation. Strict usage time limits must be followed.
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.
SEARCH BY PRODUCT
Search tested products to understand how ingredient concerns appear in real formulas.
