Apparatus and method for combing or brushing eyelashes and eyebrows and applying cosmetics (3)

9. The device of claim 8, wherein the spacing between the protrusions in the second group is substantially equal to the spacing between the protrusions in the first group. 10. The device of claim 1, wherein the extending distance of the first set of protrusions is greater than the length of the gap. 11. The device according to claim 1, wherein the at least two protruding members of the first group and the protruding members located outside the first group of protruding members are in respective positions along the axis of the row of protruding members, and the distance between them The pitch is basically doubled for the same tooth pitch. 12. The device of claim 1, which includes a plurality of sets of protrusions that are regularly spaced apart. 13. The device of claim 1, wherein all the protrusions have the same shape. 14. The device of claim 1, wherein the row includes at least two protrusions with different shapes. 15. The device of claim 1, wherein the protrusions are composed of teeth, and when the row is viewed from a direction substantially perpendicular to the axis of the row, the outline of the teeth is substantially triangular. 16. The device of claim 15, wherein at least two teeth have different slopes. 17. The device of claim 1, which comprises a row of teeth, and when viewed from a direction substantially perpendicular to the axis of the row, these teeth all have a triangular profile, and at least two teeth have at their bases Different heights and/or different widths. 18. The device according to claim 1, which comprises at least two sets of protrusions, and there is at least one convex part between these sets. 19. The device of claim 1, wherein when viewed from the side, at least two of the set of protrusions together define a substantially V-shaped notch. 20. The device of claim 1, which includes at least two rows of protrusions. 21. The device of claim 20, wherein at least one row of the protruding members and the other protruding members extend in different directions. 22. The device according to claim 1, wherein the height of the protrusion is 0.5mm-10mm, especially 1mm-3mm. 23. The device of claim 1, wherein the row of protrusions includes at least a series of protrusions that at least partially extend alternately on opposite sides of the geometric separation surface. 24. The device of claim 1, wherein the bases of the row of protrusions are substantially in a straight line. 25. The device of claim 1, wherein there are two parts carrying bristles that are movable relative to each other.