There are many reasons for the appearance of dark patches such as shaving, waxing, sun exposure, and the usage of deodorants.
They usually appear on the neck area, inner thighs, and armpits.
Most of the people who suffer from diabetes, obesity, genitourinary or gastrointestinal cancers, or those who are having hormonal treatments, have darks spots on the skin.
There are a lot of beauty products and treatments which can remove the dark spots from the skin, but however they are full of chemicals and really expensive.
We recommend you to try this homemade remedy, which is completely natural and will help you to clean your skin: