Sun Exposure : Sunlight can create age spots or sun spots on your face which can lead to hyperpigmentation.
Image Source : Google
Inflammation :These types of skin conditions cause skin inflammation and once the inflammation reduces.
Image Source : Google
Melasma : Melasma is a skin disorder that occurs either due to hormonal changes or extreme sun exposure.
Image Source : Google
Medications : Few medications can directly cause hyperpigmentation in your facial skin.
Image Source : Google
Medical Conditions : There are many mild and serious medical conditions that can trigger hyperpigmentation issues on your facial skin.
Image Source : Google
Harmful Cosmetic Products : Your face endures a lot when you put cosmetic make up products which contain harmful chemicals in them.
Image Source : Google