Description Grandpa’s Thylox soap is a sulfur-based cleanser for acne prone skin. Thylox helps eliminate blackheads and breakouts, keeps pores clog-free, and effectively removes excess oil. For over 50 years, Thylox has proven that acne treatment doesn’t have to be expensive to be effective. Grandpa’s Thylox soap is over 99% natural. 3.25 oz