Soft bristles: 0.1mm bristles reach deep into pores for thorough cleansing. Effectively improve blood circulation, remove oils, dirt, makeup residue, and blackheads, revealing a smooth complexion without causing irritation. Suitable for all skin types: includes multiple functional brush heads such as sensitive, deep pore, and acne professional for various skin cleansing needs. Premium quality: brush heads made of advanced plastic materials, with bristles as fine as 0.01mm, offering a gentle and soft experience. Ideal for enhanced exfoliation and deep cleansing. Suggestion: replace brush heads every 3-4 months for optimal performance and hygiene. Applications: compatible with most cleansing devices. Color: as shown. Material: plastic. The actual product may have slight color variations due to lighting and display differences, which do not affect usability. Package contents: 4 x brush head replacements. Only the listed items are included; other products are not. Note: lighting and display differences may cause slight color variation between the image and the actual item. Measurement error allowance: +/- 1-3cm.