Mater Soap (MATERSOAP, LLC) is a Brooklyn, NY-based company that creates a variety of cold-process bar soaps and organic body products, focusing on the minimalist beauty of traditional soap formulation using natural, sustainably-sourced plant ingredients. Their products include bar soaps, liquid soaps, rope soaps, body care, kitchen care items, accessories, and refills. The company emphasizes small handmade batches and ecological impact minimization while enhancing the bathing ritual with ingredients like smoky pine tar, red alkanet root powder, and salty sea plants. Inspired by sculpture, architecture, and textiles, Mater Soap aims to create essential utilitarian daily objects that nurture the body and mind. They offer various sets and gift packages, including the Mater Complete Set containing soaps, serum, salt soak, and a soap dish. The brand honors natural world stewardship and personal care through traditional craft methods and thoughtful ingredient choices.