There have been many advances in modern lighting, making bulbs more efficient. Let's look at the different types of bulbs and their pros and cons.
Incandescent light bulbs run a strong electrical current through a metal filament. This current heats the filament until it starts to glow. The filament in the incandescent bulb has a limited resistance, and it will get hot and give off heat.
While incandescent bulbs are cheaper than LED and widely available, they don't have as long of a lifespan and aren’t as energy efficient.
About 90% of the energy consumption from an incandescent bulb goes into producing heat, which is not ideal for makeup.
Excess heat can lead to sweating your makeup off or making your face look red, which will lead you to cake on more makeup than necessary.
Fluorescent light bulbs use mercury vapor to cause a reaction that produces light. When an electric current runs through the tube, electrons in the mercury vapor are excited and create ultraviolet light (UV).
However, this is undetectable to the human eye at 10 to 400 nanometers. So, UV from the mercury vapor needs to be converted to a lower energy wavelength to be useful to humans.
Phosphor is used to absorb the UV light produced by the reaction with the electric current and the mercury vapor, and visible light is emitted. This reaction releases excess heat.
Defects in fluorescent bulbs have been known to speed up the aging process in humans just like the ultraviolet light from the sun.
While fluorescent bulbs use less energy than incandescent bulbs, they aren't as energy efficient as LEDs. Fluorescent bulbs can produce between 50 and 100 lumens per watt, and LED bulbs can yield about 130 lumens per watt.
LED lights are also safer than fluorescent lights because they don’t use mercury or give off any residual UV light.
LED lights are solid-state lighting because they use semiconductors instead of gas or liquids.
They come in various color temperatures and can be dimmable. While the initial cost of an LED light bulb is more than the other options, you won't need to replace the bulb as often. This will save you money in the long run.
LED lights are much cooler than incandescent or fluorescent bulbs. However, they can still give off some excess heat.
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