Shinzu'i is a brand of body care products that uses natural ingredients, including their patented Herba Matsu Oil™, which is formulated from the Japanese Matsutake Mushroom and traditionally used to lighten the skin. The brand offers a series of body care products enriched with Japanese Herbal Matsu Oil™ and "3 TOTAL BRIGHT STEPS", or 3 easy steps for healthy bright skin, including Barsoap/Body Cleanser, Body Lotion, and Body Scrub. Shinzu'i is clinically tested by dermatologists to be effective and safe for long-term use and suitable for use by all skin types. The brand has several variants, including Shinzu'i Skin Lightening Body Cleanser Kirei, Shinzu'i Skin Lightening Soap - Hana, and Shinzu'i UME, which contains Herba Matsu Oil™ and Sakura flower extract to regenerate skin cells, lighten, and moisturize the skin. Some positive aspects of Shinzu'i products include the use of natural ingredients and the effectiveness of the products, while some negative aspects include the use of some potentially irritating ingredients such as sodium lauryl sulfate (SLS).