PCCA Aladerm™ (PCCA #30-1142) is a great base for softening skin
PCCA Formula # 10417 Urea 20% Topical Gel (PracaSil™-Plus)
PCCA Formula # 1435 Salicylic Acid 10%/Podophyllum 10%/Trichloroacetic Acid 10% (W/V) Topical Solution
PCCA Formula # 3057 Salicylic Acid 20%/Menthol 0.1% Topical Cream