Black Rose Goat Milk Soap Rose essential oil, rose kaolin clay, black pepper essential oil, and activated charcoal, bring this soap to life! What a wonderful gift for the special person in your life. This is a very gentle face soap. The smell comes through very nicely. The black pepper essential oil gives the rose a nice depth, and blends very nicely. It does not smell like "black pepper". It smells like a fresh rose. Gentle on your face; soft on lathering. Each bar weighs between 4 and 4.5 ounces.. They measure approximately 3.5 inches, by 2.5 inches, by 1 inch.