What does "It (beauty) is a power that negates itself" mean in the following?

Beaut as a power is always conceived in relaion to men; it is not the power to do but the power to attract. It is a power that negates itself. For this power is not one that can be chosen freely--at least, not by women-or renounced without social censure.

Rose2013-05-03T00:28:39Z

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The quote argues that......
women choose beauty simply to draw men's attention to themselves. Hence, beauty is not valuable in its own right. It is powerful, not because of intrinsic perfection but only because it snares men.

In this way beauty looses its own identity and becomes a trap instead.