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Perms may be applied using thermal or chemical means. In the latter method, chemicals are applied to the hair, which is then wrapped around forms to produce waves and curls. The same process is used for chemical straightening or relaxing, with the hair being flattened instead of curled during the chemical reaction.
Hair straightening is a hair styling technique used since the 1890s involving the flattening and straightening of hair in order to give it a smooth, streamlined, and sleek appearance. [1] It became very popular during the 1950s among black males and females of all races.
Hair damage can be further exacerbated by the use of chemical products used for chemical straightening. The study's findings support recommendations to wear looser hairstyles and avoid keeping braids and extensions for more than a few months. [61] Certain products (hair dyes, hairsprays, bleaches, etc.) may contain allergenic ingredients.
The Chemical Abstracts Service (CAS) [13] lists formaldehyde (50-00-0 [14]) and methylene glycol (463-57-0 [15]) as two different substances. The compounds have two different chemical structures, exist in two different chemical families and exhibit different physical properties. Formaldehyde is a colorless gas with chemical structure HCHO.
Hair cut is generally offered in beauty salons. Massage for the body is a beauty treatment, with various techniques offering benefits to the skin (including the application of beauty products) and increasing mental well-being. [4]
Conk hairstyle. The conk was a hairstyle popular among African-American men from the 1920s up to the early-to-mid 1960s. [1] This hairstyle called for a man with naturally "kinky" hair to have it chemically straightened using a relaxer called congolene, an initially homemade hair straightener gel made from the extremely corrosive chemical lye which was often mixed with eggs and potatoes.
Cosmetology (from Greek κοσμητικός, kosmētikos, "beautifying"; [1] and -λογία, -logia) is the study and application of beauty treatment.Branches of specialty include hairstyling, skin care, cosmetics, manicures/pedicures, non-permanent hair removal such as waxing and sugaring, and permanent hair removal processes such as electrology and intense pulsed light (IPL).
This is an accepted version of this page This is the latest accepted revision, reviewed on 31 December 2024. Person whose occupation is to cut or style hair This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article needs additional citations for verification. Please help improve this article by ...