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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). [4]
Hair removal is the deliberate removal of body hair or head hair. This process is also known as epilation or depilation . Hair is a common feature of the human body, exhibiting considerable variation in thickness and length across different populations.
Epilator in use. The first type of epilator was the original Epilady released in Israel, and manufactured by Mepro in kibbutz HaGoshrim in 1986. [2] The design incorporated a coil spring, which was bowed into a curve such that the coils on one side of the spring were squeezed tightly together while on the other side the coils were spread apart.
There are many benefits to waxing versus other forms of hair removal. It is an effective method to remove large amounts of hair at one time. It is a long-lasting method, as hair in waxed areas will not grow back for two to eight weeks. When hair is shaved or removed by depilatory cream, the hair is removed at the surface rather than the hair ...
Plucking or tweezing can mean the process of human hair removal, removing animal hair or a bird's feathers by mechanically pulling the item from the owner's body. In humans, hair removal is done for personal grooming purposes, usually with tweezers. An epilator is a motorised hair plucker.
Thioglycolic acid with a pK a of 3.83 [7] is an acid about 8.5 times stronger than acetic acid (pK a 4.76): . HSCH 2 CO 2 H → HSCH 2 CO 2 − + H +. The second ionization has a pK a of 9.3:
Threading is a method of hair removal originating in India and Iran. [1] It has gained popularity in Western countries, especially with a cosmetic application (particularly for removing/shaping eyebrows).
Nair is a hair-removal product manufactured by Church & Dwight. Nair is a portmanteau of "No hair." The brand is mainly known for its depilatories that work by breaking the disulfide bonds of the keratin molecules in hair. Nair's slogans include: "The Less That You Wear the less you have to fix your hair, [1] the More You Need Nair!"