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"  Most women like myself will attest to the statement that if your hair doesn&amp;#039;t look right, you don&amp;#039;t feel right. Saying this, hair studies are popular events in the Good Housekeeping Health, Beauty &amp;amp;amp; Environmental Sciences Lab; and to help women in their quest for beautiful, healthy locks, we decided to test Overnight Hair Treatments. This is a fairly new beauty category and as the name suggests, these products are designed to be put on hair while you sleep and left to work their magic, with the promise of making hair shiny, repairing dryness, and minimizing breakage. How did we evaluate these products? We worked with dozens of volunteer female testers and also consulted Dr. Philip Kinsgsley, an expert trichologist (a hair and scalp expert) to help us review the effectiveness of a variety hair treatment products. We ran our fingers over the hair, tried breaking strands in several places, and examined hair up close with a high magnification microscope (Proscope) to identify the strength and sheen of hair, as well as any damage to it. This was done both before and after applying the products. Testers also shared their opinions of the products after they used them at home. In addition to this testing on consumers, we also evaluated how the products worked in the lab, using human hair swatches, which we washed and combed several times over, before and after applying the treatments, to simulate regular hair styling cycles. We also weighed the hair before and after the styling sessions, to measure hair loss and hence determine which product worked best at damage prevention. The result: A handful of products did help, but be prepared to splurge a little, as, in this case, the most expensive treatments were the most effective.  To find out the results, check out our August issue of Good Housekeeping Magazine or click here. And for reviews of other hair products, go to here.  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.goodhousekeeping.com/institute/a22418/overnight-hair-treatments/>