Describe Shelf life:3 years 1. High-density silicone bristles conform to skin texture, creating a seamless base without cakey or pilling powder. 2. The straight-shaped, flat brush head precisely covers delicate facial areas, including the nose and corners of the eyes. 3. The ultra-thin brush body is lightweight and easy to control, with a smooth feel for quick and even application, saving time. 4. The powder-free formula significantly reduces foundation waste, balancing environmental and economical considerations for a worry-free makeup application. 5. Compatible with a variety of foundation products, including liquid foundation, cushion foundation, and BB cream, creating a natural, smooth, and luxurious finish. Suitable for both professional makeup artists and everyday use. Precautions: 1. Keep out of reach of children to prevent accidental ingestion. 2. If you feel unwell, stop using immediately. 3. Do not use on damaged or swollen skin. 4. Store in a cool and dry place. Comment: 1. The manual measurement tolerance is 2-5g, please do not mind your replacement 2. Due to differences in different displays, the images may not reflect the actual color of the product. Thank you very much