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These cells produce melanin, which are pigments that cause light or dark brown spots in gums and oral mucosa. The most common cause is genetic factors or tobacco smoking, Smoker's melanosis. [ 2 ] If the melanin pigmentation is found in a person smoking cigarettes, the most effective way to get rid of the pigmentation is to stop smoking.
Smoker melanosis in a patient consuming 2 packs of cigarette per day. Smoking or the use of nicotine-containing drugs is the cause to Smoker's melanosis. [10] [11] Tar-components (benzopyrenes) are also known to stimulate melanocytes to melanin production, and other unknown toxic agents in tobacco may also be the cause.
There are a wide range of depigmenting treatments used for hyperpigmentation conditions, and responses to most are variable. [11]Most often treatment of hyperpigmentation caused by melanin overproduction (such as melasma, acne scarring, liver spots) includes the use of topical depigmenting agents, which vary in their efficacy and safety, as well as in prescription rules.
The pendant light at Fire Station #6 in which the bulb is installed. The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket ...
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation. Electric current is supplied to the filament by terminals or wires ...
A 230-volt LED filament light bulb, with a B22 base. The filaments are visible as the four yellow vertical lines. A LED filament light bulb is a LED lamp which is designed to resemble a traditional incandescent light bulb with visible filaments for aesthetic and light distribution purposes, but with the high efficiency of light-emitting diodes (LEDs).
The light is absorbed by melanin in the hair which heats and damages the hair follicles to remove it. Laser hair removal has found to delay hair regrowth by up to 3 months. [ 28 ] Laser hair removal can cause redness, edema , first to second degree burns, skin damage, and pigmentation. [ 26 ]
In such a case, incandescent light bulbs are preferred over fluorescent lighting, because they react instantaneously while a CFL takes time to warm up and become bright. Incandescent light bulbs also offer much greater illuminance than many other light sources, are relatively low cost and easy to install. Higher lighting levels enable users to ...