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These review ratings are out of five stars, and they're separate from BBB letter grades and accreditation. That means you could find a company with three out of five stars among reviews, but an A+ ...
The Better Business Bureau just released some good news: In 2011, consumers consulted the BBB far more often than they did the year before, and they lodged fewer complaints.
Keratin shampoos work by supplementing your hair's natural keratin proteins and repairing bonds along the hair shaft, which can be damaged or broken due to things like heat styling and chemical ...
Alpha-keratin, or α-keratin, is a type of keratin found in mammalian vertebrates. This protein is the primary component in hairs , horns , claws , nails and the epidermis layer of the skin . α-keratin is a fibrous structural protein , meaning it is made up of amino acids that form a repeating secondary structure.
Keratin (/ ˈ k ɛr ə t ɪ n / [1] [2]) is one of a family of structural fibrous proteins also known as scleroproteins. It is the key structural material making up scales , hair , nails , feathers , horns , claws , hooves , and the outer layer of skin in vertebrates.
The first sequences of keratins revealed that keratins could be grouped into two categories based on their sequence homologies. [1] [2] These two groups of keratins were named as type I and type II keratins. [2]