Dosing & Uses
Dosage Forms & Strengths
salicylic acid/sulfur shampoo
Shampoo: Apply to wet hair/scalp, lather, then rinse well; use daily or every other day; 1-2 treatments per week may maintain control
Cleanser: Use daily or every other day
Safety & efficacy not established
Frequency Not Defined
Stinging/burning of scalp
High concentrations (>10%) may cause muscle cramps, dizziness, vomiting, headache
Topical use only
Avoid contact with eyes
Children < 2 years more sensitive to sulfur than adults
Pregnancy & Lactation
Pregnancy category: C
Pregnant or breastfeeding patients should seek advice of health professional before using OTC drugs
A:Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.
B:May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk.
C:Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done.
D:Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk.
X:Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist.
NA:Information not available.
Mechanism of Action
Keratolytic agent; breaks down keratin and promotes skin peeling
Absorption: 1% absorbed
Metabolism: Reduced to hydrogen sulfate