Yesterday, I splurged on an expensive hair treatment that promises to give me frizz-free hair for 12 weeks. I first learned of this treatment a year ago, but rejected it as a frivolous indulgence at $350 a treatment. But when I was told of a $129 price promotion on the same treatment, I immediately said, ‘Sign me up!’ Now at $129, frizz-free hair is still a frivolous indulgence — but think of the ‘value’! A...
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