Active substance
Sulfur, Salicylic Acid
3 products from 3 companies contain this in United States.
3 without prescriptionOintmentShampoo
Available without a prescription
Glovers Anti-Dandruff50 mg/g + 30 mg/gWithout prescription J. Strickland & Co. · Sulfur, Salicylic AcidJ1003005 Jason Dandruff Relief2.4 g/100g + 2.2 g/100gWithout prescription The Hain Celestial Group, Inc. · Sulfur, Salicylic AcidSulfur 8 Scalp Therapy Medicated Dandruff Control Scalp Butter Cream50 mg/g + 30 mg/gWithout prescription J. Strickland and Co. · Sulfur, Salicylic Acid
Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.