keratin is the hard protein that hair is made of. From LearnThat.org.
The plate of the nail is composed of a substance called keratin, which is produced by amino acids. From Wordnik.com. [CreationWiki - Recent changes [en]] Reference
Hair is made up mostly of a protein called keratin, which is the same material that makes up hooves, claws and fingernails. From Wordnik.com. [Archive 2006-10-01] Reference
Protein: As I mentioned above, your hair (and your nails) are made out of the same material called keratin, a protein. From Wordnik.com. [EzineArticles] Reference
But a hard layer of keratin, which is what fingernails are made of, had grown over the surface of the wounds, she said. From Wordnik.com. [The Political Briefing] Reference
Horns are made from slow-growing keratin, which is the same material that makes up animal hooves and human fingernails. From Wordnik.com. [Vail Daily - Top Stories] Reference
Elastic, resilient, resistant to breakage Hair is made of a protein called keratin plus amino acids, and each strand is like a power cord. From Wordnik.com. [WN.com - Articles related to Water hardness varies by locale] Reference
• Crews Middle School student Brittany Nguyen, eliminated on "keratin". From Wordnik.com. [Gwinnett Daily Post Headlines] Reference
The deformities involve faulty production of keratin which is in claws and nails, skin, antlers and hair in mammals. From Wordnik.com. [NYT > Home Page] Reference
Rhino horns are, fascinatingly, made of pure keratin. From Wordnik.com. ["War of the Weasels" article in new Skeptical Inquirer - The Panda's Thumb] Reference
Often the extra crunch in our meals is my own keratin. From Wordnik.com. [Archive 2009-08-01] Reference
June 22, 2009 at 6:15 am o yez! an fink ub teh keratin!. From Wordnik.com. [Teh best part uv wakin up - Lolcats 'n' Funny Pictures of Cats - I Can Has Cheezburger?] Reference
Then the keratin smoothing complex is painstakingly applied. From Wordnik.com. [Crazy for Keratin] Reference
This formidable brace of keratin weapons was darkly stained. From Wordnik.com. [The Lives of Felix Gunderson] Reference
It takes heat and time to ensure the keratin gets into your hair. From Wordnik.com. [Crazy for Keratin] Reference
The primary component of ear wax is keratin (derived from dead skin). From Wordnik.com. [Ear Wax] Reference
This resulted in a rapid and substantial increase in keratin thickness. From Wordnik.com. [Application of estrogen on the Penis could block spread of HIV] Reference
Their fiat, homey faces were covered with bands of shiny black keratin. From Wordnik.com. [Mid Flinx]
Also, all three had keratin plates on the sides of their heads as Jory did. From Wordnik.com. [The Saturn Game]
The lunula is overlapped by the cuticle, which protects those keratin cells. From Wordnik.com. [CNN Transcript Sep 21, 2006] Reference
They were not horns at all, but hollow structures formed of hardened keratin. From Wordnik.com. [A Triumph of Souls]
Schuster explained that keratin, the hard covering of hair, could protect the DNA. From Wordnik.com. [DNA Extracted From Woolly Mammoth Hair | Impact Lab] Reference
This will dissolve the dead keratin cells plugging the pores and help prevent acne. From Wordnik.com. [Simple Skin Beauty] Reference
Human hair, fingernails and rhino horns are made out of the same thing keratin, right?. From Wordnik.com. [Take the Design Challenge! - The Panda's Thumb] Reference
I should weigh it ... ladies and gentlemen, 2.15 ounces/61 grams of shiny brown keratin!. From Wordnik.com. [with the thoughts you'd be thinkin' you could be another Lincoln] Reference
As the turtle grows, fresh keratin is deposited from underneath, and old layers peel off. From Wordnik.com. [Turtle] Reference
This sequence might be, for example, one small part of the protein keratin in your fingernails. From Wordnik.com. [Rambles at starchamber.com » Blog Archive » The meaning of life] Reference
Apparently the brazilian version puts keratin in your hair when it straightens and anti-frizzes. From Wordnik.com. [Adventures in Research - Part Four] Reference
In a healthy nail, cells within the nail bed produce keratin, a protein that forms the nail plate. From Wordnik.com. [CNN Transcript Sep 21, 2006] Reference
It penetrates into the keratin impregnated with lead which sulphurises on contact with the sulphur. From Wordnik.com. [1. Technology of dyeing] Reference
Whiteheads and milia are very similar—both are closed-over keratin plugs—but milia are not associated with acne. From Wordnik.com. [Simple Skin Beauty] Reference
Horns should not be washed in hot water as this dissolves the keratin and reduces the lustre of the horn when polished. From Wordnik.com. [1. Supply] Reference
There are tiny papules filled with neutrophils, but there are no P. acnes bacteria, nor is there keratin plugging the pore. From Wordnik.com. [Simple Skin Beauty] Reference
Horn should be heated and shaped before polishing, as exposure to flame causes the keratin to sizzle and the surface to spoil. From Wordnik.com. [1. General] Reference
Their hard shell, which covers most of the body and much of the head, is made of keratin, the same material as human fingernails. From Wordnik.com. [ZooBorns] Reference
Some of her feathers were also blond, which made some sense, since both feathers and hair are made of the same material, keratin. From Wordnik.com. [When the Wind Blows]
The thoroughly cleansed fiber is made up chiefly of the chemical substance keratin, being similar in composition to horn and feathers. From Wordnik.com. [Textiles and Clothing] Reference
In order to make sure that the keratin fuses with your hair (which is itself made of keratin) … you have to leave it alone for 72 hours. From Wordnik.com. [Crazy for Keratin] Reference
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