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Black women and women of other ethnicities have used chemical hair-straightening treatments for decades, and many of the relaxers, creams and keratin treatments contain formaldehyde — a chemical ...
"The keratin treatment can last up to 3 to 5 months," says Jarvis. The reason it lasts this long is to give the chemicals enough time to penetrate the hair shaft and work, says Dr. Chacon.
A keratin treatment can be a way to get smoother, frizz-free hair. Find out everything you need to know about keratin hair treatments, along with why it used to be so controversial.
The use of podiatry drills, in the absence of engineering controls and personal protective equipment, is an occupational hazard to the healthcare provider.Nail dust collected during foot care procedures performed in office settings has been found to contain keratin, keratin hydrolysates, microbial debris, and viable fungal elements, including dermatophytes (most commonly Trichophyton rubrum ...
The technique has many variations and is known by several other names and brands, including Brazilian Blowout, Breezilian straightening, Brazilian Keratin Treatment, BKT, and Keratin Cure. [citation needed] It is called Escova Progressiva in Brazil and Alisado brasileiro in Portugal. The original formulation included formaldehyde H 2 CO or ...
Keratin is a crucial fibrous protein found in animals, constituting tough structures like hair, feathers, nails, and horns. It's classified based on tissue origin and sulfur content: soft keratins have lower sulfur, while hard keratins, found in hair and claws, contain more sulfur, creating a stronger structure. [ 2 ]
She adds that you want to look for key ingredients such as keratin, collagen, amino acids, hyaluronic acid, vitamin E, and niacinamide (B3), which can support hair, nails, and skin.
Koilonychia, also known as spoon nails, [1]: 782 is a nail disease that can be a sign of hypochromic anemia, especially iron-deficiency anemia. [2]: 656 [3] It refers to abnormally thin nails (usually of the hand) which have lost their convexity, becoming flat or even concave in shape. In a sense, koilonychia is the opposite of nail clubbing ...