A reciprocating-type electric shaver comprising: outer blades (26a, 26b, 26c); oscillators (32, 33) that are driven to reciprocate by a motor installed inside a main body; and an inner blade that reciprocates while coming into sliding contact with an inner surface of the outer blades (26a, 26b, 26c) in cooperation with the oscillator (32, 33), wherein the oscillators (32, 33) include attachment portions (35a, 35b, 38a, 38b) that are located on both end sides, and that are respectively attached to the main body, movable bases (37, 40) that are located between the attachment portions (35a, 35b, 38a, 38b), both end sides of which are supported by the attachment portions (35a, 35b, 38a, 38b) via support portions (36a, 36b, 39a, 39b) having a substantially U-shape in a front view, and that are driven to reciprocate by the motor in a state of being suspended from the attachment portions (35a, 35b, 38a, 38b) by the support portions (36a, 36b, 39a, 39b), and cooperation portions (43, 44, 48) that protrude from the movable bases (37, 40), and that cooperate with the inner blade, wherein in the respective support portions (36a, 36b, 39a, 39b), a portion on a side connected to the attachment portions (35a, 35b, 38a, 38b) is a linear portion of the U-shape and is formed as a flexible oscillating piece (36aa, 36bb, 39aa, 39bb); characterised in that at a stationary position of the movable bases (37, 40), the respective oscillating pieces (36aa, 36bb, 39aa, 39bb) are formed to be tilted at angles of 0.5 degrees or more relative to a direction orthogonal to a reciprocating direction of the movable bases (37, 40) so that a lower portion side of the respective oscillating pieces (36aa, 36bb, 39aa, 39bb) is open outward in the reciprocating direction of the movable bases (37, 40). outer blades (26a, 26b, 26c); oscillators (32, 33) that are driven to reciprocate by a motor installed inside a main body; and an inner blade that reciprocates while coming into sliding contact with an inner surface of the outer blades (26a, 26b, 26c) in cooperation with the oscillator (32, 33), wherein the oscillators (32, 33) include attachment portions (35a, 35b, 38a, 38b) that are located on both end sides, and that are respectively attached to the main body, movable bases (37, 40) that are located between the attachment portions (35a, 35b, 38a, 38b), both end sides of which are supported by the attachment portions (35a, 35b, 38a, 38b) via support portions (36a, 36b, 39a, 39b) having a substantially U-shape in a front view, and that are driven to reciprocate by the motor in a state of being suspended from the attachment portions (35a, 35b, 38a, 38b) by the support portions (36a, 36b, 39a, 39b), and cooperation portions (43, 44, 48) that protrude from the movable bases (37, 40), and that cooperate with the inner blade, attachment portions (35a, 35b, 38a, 38b) that are located on both end sides, and that are respectively attached to the main body, movable bases (37, 40) that are located between the attachment portions (35a, 35b, 38a, 38b), both end sides of which are supported by the attachment portions (35a, 35b, 38a, 38b) via support portions (36a, 36b, 39a, 39b) having a substantially U-shape in a front view, and that are driven to reciprocate by the motor in a state of being suspended from the attachment portions (35a, 35b, 38a, 38b) by the support portions (36a, 36b, 39a, 39b), and cooperation portions (43, 44, 48) that protrude from the movable bases (37, 40), and that cooperate with the inner blade, wherein in the respective support portions (36a, 36b, 39a, 39b), a portion on a side connected to the attachment portions (35a, 35b, 38a, 38b) is a linear portion of the U-shape and is formed as a flexible oscillating piece (36aa, 36bb, 39aa, 39bb); characterised in that at a stationary position of the movable bases (37, 40), the respective oscillating pieces (36aa, 36bb, 39aa, 39bb) are formed to be tilted at angles of 0.5 degrees or more relative to a direction orthogonal to a reciprocating direction of the movable bases (37, 40) so that a lower portion side of the respective oscillating pieces (36aa, 36bb, 39aa, 39bb) is open outward in the reciprocating direction of the movable bases (37, 40).