Orvus Soap is a gentle and non-toxic soap that is commonly used in the care of delicate fabrics, especially in the context of cleaning antiques, artwork, and fine textiles. It is often used for hand-washing and is a popular choice for delicate fabric care in quilting and other textiles. It is known as a "pure" soap, made the same was since 1932. The main ingredients in Orvus Soap are: Sodium Lauryl Sulfate (SLS): A surfactant that helps the soap to lather and clean effectively. Sodium Chloride (Salt): Used to thicken the soap and stabilize the formula. Water: The solvent in which the other ingredients are dissolved. Orvus is known for being mild, non-abrasive, and non-alkaline, making it ideal for use on delicate items. It does not contain dyes, perfumes, or other harsh chemicals, which makes it a good option for sensitive materials. While Orvus is widely recognized as a safe and gentle cleaner, you must assess whether your lace is robust enough to even consider washing.