Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
Bifonazole is a proven antifungal ingredient for treating fungal skin infections, but it is not a routine cosmetic ingredient and should only be used under medical guidance.
Irritation
moderate
Source
synthetic
Ciclopirox Olamine is a well-studied antifungal ingredient that helps control dandruff and scalp flaking, but it can be drying or irritating for sensitive scalps.
Irritation
moderate
Source
synthetic
Climbazole is a well-studied antifungal that helps control dandruff and scalp irritation, but it's not a moisturizer or cure for chronic skin conditions.
Irritation
low
Source
synthetic
Clotrimazole is a proven antifungal ingredient used in medicated products, not a routine cosmetic ingredient for healthy skin.
Irritation
moderate
Source
synthetic
Itraconazole is a prescription-strength antifungal that can treat stubborn fungal skin infections, but it is not a routine cosmetic ingredient and should only be used under medical guidance.
Irritation
moderate
Source
synthetic
Effective for treating fungal skin issues, but not a general skincare ingredient and may cause irritation in some.
Irritation
moderate
Source
synthetic
A well-studied, gentle anti-dandruff ingredient that helps control scalp flaking and yeast overgrowth without the harshness of older alternatives.
Irritation
low
Source
synthetic
Tolnaftate is a well-studied synthetic antifungal that effectively treats common fungal skin infections, but it is not a general skincare ingredient and should only be used for diagnosed fungal issues.
Irritation
low
Source
synthetic
A gentle antifungal ingredient that helps manage yeast and bacteria on skin, often used in deodorants and foot care.
Irritation
low
Source
synthetic