For maximum skin protection against acne and pimples, depend on Grisi Sulfur Soap with Lanolin. When you use this soap regularly, it is an effective treatment for acne. This sulfur soap for acne has antiseptic, anti-fungal and antibacterial properties. The soap contains Bio Sulfur that will combat pimples but not damage your skin. Grisi Sulfur soap with Lanolin for Acne treatment. Sulfur treatment, when used regularly, is effective in the treatment of acne. It may take 1-8 weeks for an improvement to occur in the skin, depending on the severity of each case.