Usage Tips:Soft Bristles: bristles 0.1mm can deep into pores for thorough cleansing. Effectively improve blood circulation,removes oils, dirt, make-up residue and blackheads, revealing a smooth complexion without causing irritation to the skin. Suitable for all skin types: It have several functional brush heads,such as Sensitive, deep pore, Acne Professional brush heads for all types of skin cleaning Premium quality: This brush heads made of advanced plastic materials--only 0.01mm, which is much gentler and softer. Great for extra level of exfoliation and deep cleansing. Suggestion: It's suggested to change the brush head every 3-4 months to better performance & health. Applications: It's nearly compatible with all cleansing devices Color: As Shown Material: plastic The actual product may have slight color difference or difference, which not affect the use Package Contents: 4 x Brush Head Replacements Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.