21 Shampoo Bars Entered the Test—Only 7 Made the Cut for Lather, Shine, and Clean Hair
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A test was conducted on 21 shampoo bars to evaluate their performance. The test resulted in only 7 of the shampoo bars meeting the standards for lather, shine, and clean hair. The criteria used to assess the shampoo bars included lather, shine, and ability to clean hair.