To eliminate red marks, use sunscreen to protect skin, exfoliate to remove extra skin and fade marks faster, and use skin lighteners such as liquorice extract, vitamin C and others. Most acne marks go away on their own, but some may take six months to many years to fade completely.
Acne marks are a type of hyperpigmentation, a category that encompasses most dark marks on the skin, including spots from aging, allergic reactions, wounds and sun damage. Consistent use of sunscreen protects the skin from the sun's harmful ultraviolet rays, which can cause skin lesions. Sunscreen also prevents existing acne macules and other dark spots from getting darker.
There are scrubs and washcloths to exfoliate the skin, but there are also chemical exfoliators that may irritate the skin less. Chemical exfoliating products include prescription retinoids such as Differin, Retin-A and Tazorac. Finacea is also known for lightening skin. Topical exfoliating products may cause irritation such as redness, peeling and dryness, and even make skin more sensitive to sunlight.
Hydroquinone is also a skin lightener. Europe and Asia have banned the use of this product due to a risk of cancer, but over-the-counter hydroquinone products are still marketed in the United States as of 2015. Any product over 2 percent requires a prescription. Some people recommend applying vitamin E oil to dark spots to remove them. This is known to cause skin irritation in some people.