They are reusable silicone facial mask applicator brushes, perfect for applying both our 'ALAEA detoxifying clay mask or the Green Goddess Cleanser💚 • 𝗪𝗵𝘆 𝘂𝘀𝗲 𝗮 𝘀𝗶𝗹𝗶𝗰𝗼𝗻𝗲 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗼𝗿? Because it's Ultra-Hygienic. Unlike nylon bristles, silicone bristles are non-porous, meaning they are resistant to bacterial buildup and a whopping 35 times more hygienic than standard nylon brushes✨meaning less bacteria and less chances of breakouts