Naturally chemical-free, bamboo does not need pesticides to grow in abundance. Being a grass, it also simply regenerates when cut. It is insanely soft, hypoallergenic, absorbent, anti-bacterial, wrinkle resistant, biodegradable & thermally regulating (cools you in the heat & warms you in the cold). While bamboo requires some caustic chemicals to fabricate it into viscose, there is usually no chemical residue on the resulting fibres. But since not all bamboo rayon is made equal, we do take care to satisfy ourselves that the brands we carry use bamboo rayon made in more eco-friendly ways, such as using water soluble chemicals, closed loop systems, natural methods for fibre extraction, & compliant with Oeko Tex 100 Standard.