Allow optional cookies?
Essential storage keeps the site working. Optional cookies and tracking support analytics, sampled session replay, error reports and affiliate tools.
Either choice lets you browse. Change it anytime in the footer. Cookie details.
Skip to contentstrong (unreviewed legacy record)Breakout context0/5 · Fulton 1989 (J. Soc. Cosmet. Chem. 40:321); Kligman & Mills 1972; acne.org compiled tables · ingredient-level published ratingAn older, contested scale — not a prediction of breakouts. Record reviewedresearched · 2026-07-31 Breakout context2/5 · Fulton 1989 (J. Soc. Cosmet. Chem. 40:321); Kligman & Mills 1972; acne.org compiled tables · ingredient-level published ratingAn older, contested scale — not a prediction of breakouts. Record reviewedresearched · 2026-07-31 · ingredient database
Record reviewedresearched · 2026-07-31 · peer-reviewed cosmetic safety assessment
Record reviewedresearched · 2026-07-31 · European Union regulation
Record reviewedresearched · 2026-07-31 · peer-reviewed safety assessment
Record reviewedresearched · 2026-07-31 · European Union regulation
Record reviewedresearched · 2026-07-31 · case report
Record reviewedresearched · 2026-07-31 · controlled clinical and laboratory study
Record reviewedresearched · 2026-07-31 SourcesRecord reviewedresearched · 2026-07-31 Record reviewedresearched · 2026-07-31 · regulatory guidance
Record reviewedresearched · 2026-07-31 · European Union regulation
Record reviewedresearched · 2026-07-31 · Peer-reviewed Cosmetic Ingredient Review safety assessment
Record reviewedresearched · 2026-07-31 Record reviewedresearched · 2026-07-31 · regulatory safety opinion
Record reviewedresearched · 2026-07-31 · regulatory
Record reviewedresearched · 2026-07-31 · clinical study
Record reviewedresearched · 2026-07-31 · clinical review
Record reviewedresearched · 2026-07-31 · US National Library of Medicine chemical database
Record reviewedresearched · 2026-07-31 US fragrance-allergen disclosure rules are pending; EU-regulated allergens are listed where declared.