Bamboo fiber is a plant-based material known for being soft, breathable, and environmentally friendly. Its natural structure gives it a smooth feel and helps it resist odors, bacteria, fungi, and UV rays, making it comfortable and gentle on sensitive skin. It absorbs moisture well, allows air to circulate, and helps regulate body temperature, so the skin stays dry and comfortable during wear. Bamboo fiber is also strong, durable, wrinkle resistant, and holds color well, with low shrinkage and good resistance to wear and pilling. Because bamboo grows quickly with little water and without pesticides or fertilizers, it is considered a sustainable resource, and bamboo fibers can meet recognized safety and environmental standards used for clothing and hygiene products.

Fibers can contain harmful chemicals, including dyes, plasticizers, forever chemicals, and metals. These substances can enter the body through skin contact or by inhaling tiny fibers released from fabrics. Certain dyes used in synthetic materials are a common cause of skin allergies, and some can break down into compounds linked to cancer or genetic damage. Other chemicals added during manufacturing, such as quinoline, bisphenols, benzothiazoles, and benzotriazoles, are associated with hormone disruption, skin irritation, allergies, and other health risks. Although certifications aim to limit such exposures, they are not applied consistently. Even organically grown fibers can acquire harmful chemicals during processing steps such as bleaching or hydrogen peroxide use, and these substances have been detected in baby and children's clothing labeled as "organic."

Just because a product is labeled "organic" does not mean it is completely safe. Even when fibers are grown organically, later processing steps such as bleaching, chemical finishing, or treatment with hydrogen peroxide can introduce harmful substances, creating risks similar to conventional products. For example, a baby bodysuit sold as "organic" and carrying the Nordic Ecolabel was found to contain benzothiazoles, some of which are linked to skin allergies, hormone disruption, and cancer. Menstrual products are often bleached to appear bright white, a process that can generate highly toxic dioxins. Because these products stay in close contact with vaginal tissue, exposure may affect skin and vaginal health, hormone balance, fertility, pregnancy outcomes, and reproductive function, even at low levels, overall.