Light and Optical Technologies

Laser Hair Remover

Pros:

Permanent hair removal

Can be done on any where on your body.

Works on black hair really well

Safe to use

Works efficiently

Cons:

Hair may grow faster and thicker

Can also cause acne or other skin condition

High- concentrated light is used

Description:

Laser Hair Removal I think should not be done because apart from all the pros, it can cause some serious health problems. It is not also guaranteed that it will remove hair, and they won't come back so your money will go to waste which is $200 per session.

UV light

Pros:

Produces vitamin D

Helps with some skin conditions

Helps with mood

Helps animal's vision

Aids insect navigations

Useful for disinfection

Cons:

Causes skin cancer

Causes Sunburn

Damages immune system and eyes

Ages skin

Weakens pestics

Description:

UV light is also something I am against

GPS

Pros:

Helps you get to your location

Easier than using a map

Other functions like maps, weather, camera

Doesn't use data

Cons:

Not as reliable

Not as accurate

It can lead you to unsafe places (forests)

Description: