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Certain straightening products that contain formaldehyde could be banned in the U.S. following a 2022 study showing a link to uterine cancer.
Hair-straightening products may significantly increase the risk of developing uterine cancer among those who use them frequently, a large study published on Monday suggests. "We estimated that 1. ...
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For shorter hair, a flat iron with heating plates that are around 0.5 to 1 inch wide are used. Wider hair irons are used for longer hair. Blow dryer with a comb attachment or round brush to straighten hair. Too much heat can cause damage to the hair; a low to medium heat level protects it and the scalp.
Thermal, chemical or mechanical stress can cause split ends. For example, the use of curling irons and other heat treatments may cause split ends. Excessive application of hair products such as perms and hair coloring may strip protective layering off the outside of the hair's shaft and weaken the hair, making the hair prone to split ends.
A permanent wave, commonly called a perm or permanent (sometimes called a "curly perm" to distinguish it from a "straight perm"), [1] is a hairstyle consisting of waves or curls set into the hair. The curls may last a number of months, hence the name. Perms may be applied using thermal or chemical means.
"Curly hair that tends to go frizzy will be looking for products that are curl-defining and anti-frizz, whereas type 1 hair may be looking for products that are more volumizing," Salinger says.
Bubble hair deformity is damage of the hair shaft, resulting in patches of short weak brittle hair, that feels rough. [1] It is typically caused by chemicals and heat; temperatures greater than 125 °C on wet hair, such as with the use of hair dryers, hair straighteners and curling tongs. [2]
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