| Active ingredients | Trade names | Pharmaceutical companies | 
| Sodium Pyrrolidone Carboxylate | Hydromol Cream - Alliance Pharmaceuticals; Allphar Services; Ferndale Laboratories | 
| Sodium Pyrrolidone Carboxylate Lactic Acid
 | LactiCare - Stiefel Laboratories; Allphar Services; Diethelm; GlaxoSmithKline; Zuellig Pharma | 
| Sodium Pyrrolidone Carboxylate Linoleic Acid
 Sodium Chloride
 Sodium Lactate
 | Efaderm - Galderma | 
| Sodium Pyrrolidone Carboxylate Olive Oil
 Sodium Lactate
 Vitamin E (Vitamin E Acetate)
 | Efatop-PE - Cosme Farma Laboratories |