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A syringe is a simple reciprocating pump consisting of a plunger (though in modern syringes, it is actually a piston) that fits tightly within a cylindrical tube called a barrel. The plunger can be linearly pulled and pushed along the inside of the tube, allowing the syringe to take in and expel liquid or gas through a discharge orifice at the ...
To use a hair volumizer, the person using the product must flip their head downward and gradually blow dry the hair, with the air being blown along the shaft of the hair until the hair is dry. Drying the hair in this position will increase volume and achieve the desired effect.
Early hair tongs. A hair iron is a tool used to change the structure of the hair with the help of heat. There are three general kinds: curling tongs, also known as curling irons, [2] used to make the hair curly; straighteners, also known as flat irons, [3] used to straighten the hair; and crimpers, [4] used to create small crimps in the hair.
Hair spray (also hair lacquer or spritz) is a common cosmetic hairstyling product that is sprayed onto hair to protect against humidity and wind and have it stay in a desired shape. Hair sprays typically consist of several components for the hair as well as a propellant.
Minoxidil, applied topically, is widely used for the treatment of hair loss. It may be effective in helping promote hair growth in both men and women with androgenic alopecia. [20] [21] About 40% of men experience hair regrowth after 3–6 months. [22] It is the only topical product that is FDA approved in America for androgenic hair loss. [20]
Chemical depilatories are indicated in the treatment of hirsutism in polycystic ovary syndrome. Depilatory ointments, or plasters, were known to Greek and Roman authors as psilothrum . [ 3 ] In Jewish lore, King Solomon is said to have discovered a chemical depilatory made from a mixture of lime and water and orpiment ( arsenic trisulfide ).
The process of hair growth occurs in distinct sequential stages: anagen is the active growth phase, catagen is the regression of the hair follicle phase, telogen is the resting stage, exogen is the active shedding of hair phase and kenogen is the phase between the empty hair follicle and the growth of new hair. [1] The function of hair in ...
historical image of hair irons (top) A hair iron or hair tong is a tool used to change the arrangement of the hair using heat. There are three general kinds: curling irons, used to make the hair curl; straightening irons, commonly called straighteners or flat irons, used to straighten the hair; and crimping irons, used to create crimps of the desired size in the hair.