According to HealthGuidance, smoking, hormonal imbalance, vitamin deficiency, iron build-up in the body, caffeinated beverages, hyper-pigmentation and allergic reaction can cause dark spots to appear on the lips. Sun exp... More » Beauty & Fashion Skin Care

Environmental, behavioral and medical factors can cause black spots on the lips. Potential causes may include excessive consumption of hot coffees and teas, lip biting, a vitamin B deficiency or hormone imbalances, accor... More » Health Conditions & Diseases Skin Conditions

Age-related eye changes are the most common cause of dark spots in the eyes, or floaters, though inflammation in the back of the eye, bleeding in the eye and a torn retina also cause the condition, notes Mayo Clinic. Peo... More » Health Vision
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According to Teen Vogue, healing acne lesions incite inflammation of the skin, which causes the hyper-pigmentation of dark spots. They are referred to as post-inflammatory pigmentary alterations and are temporary, fading... More » Beauty & Fashion Skin Care Skin Blemishes

To naturally lighten dark lips, apply a lemon juice and honey mixture to your lips twice a day for least a month. There are many methods to naturally lighten dark lips, but this method is the simplest and most efficient. More » Beauty & Fashion Skin Care

You can lighten dark lips by naturally bleaching, exfoliating and moisturizing your lips on a daily basis. Drinking eight glasses of water a day helps to moisturize your lips from within by staying hydrated. Quitting smo... More » Beauty & Fashion Skin Care

Dark spots on the skin can be fixed by using dark spot correctors and serums. Dark spots can occur on the skin for a number of reasons, and to prevent them from happening, one should always use sunscreen to protect their... More » Beauty & Fashion Skin Care