Every year, the scientists at the Good Housekeeping Institute Beauty Lab test hundreds of hair products, including shampoos, conditioners, hair masks, deep and leave-in conditioners, as well as styling products like anti-frizz serums, volumizing sprays, hair mousses, hairsprays, dry shampoos, and more. That is to say, we know what works and what doesn’t.
How? We send label-masked products to a panel of tens of thousands of women around the country who rate them on everything from performance to packaging to aroma. Then, in the Beauty Lab, GH scientists and chemists employ technologies like an Instron machine to gauge a product’s conditioning capacity and a swatch-based system to rigorously measure the products’ efficacy.
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