Search results
Results from the WOW.Com Content Network
Ammonium thioglycolate, also known as perm salt, is the salt of thioglycolic acid and ammonia. It has the formula HSCH 2 CO 2 NH 4 and has use in perming hair. [ 1 ]
Other types of modern perms include exothermic perms, which are self timing and self heating; and neutral, or low pH, thioglycolate free perms. Digital perms were introduced in the 21st century and in use especially in modern Asian cultures. The process was patented and invented by a Japanese company, Paimore Ltd. [13]
A product falsely marketed as chemical-free in the 1990s, the Rio Hair Naturalizer System, led to a class action lawsuit against the manufacturer, the World Rio Corporation Inc., when the acidic chemicals it contained caused scalp damage and/or hair loss to thousands of users. [2] [3] The product was eventually withdrawn from the market. [3]
Get critical products for computer security, identity theft protection, premium technical support, and more. Choose the plan based on you and your family’s needs.
Terephthalic acid is an organic compound with formula C 6 H 4 (CO 2 H) 2.This white solid is a commodity chemical, used principally as a precursor to the polyester PET, used to make clothing and plastic bottles.
A thermal protective aid (TPA) is an aluminized polyethylene suit with heat sealed seams that protects from the elements and prevents hypothermia. It is defined by the International Life-Saving Appliance (LSA) Code [ 1 ] as follows:
A digital perm is a perm that uses hot rods with the temperature regulated by a machine with a digital display, hence the name. [1] The process is otherwise similar to that of a traditional perm. The name "digital perm" is trademarked by a Japanese company, Paimore Co. [2] Hairstylists usually call it a "hot perm."
In the United States, a third-party administrator (TPA) is an organization that processes insurance claims or certain aspects of employee benefit plans for a separate entity. [1] It is also a term used to define organizations within the insurance industry which administer other services such as underwriting and customer service.