Dark spots, uneven pigmentation, and patches of discoloration are among the most common reasons people seek dermatology care. They can develop after acne, skin irritation, insect bites, injuries, hormonal changes, or sun exposure. Melasma is another common cause, particularly on the face.
One of the most important recommendations for dark spots is consistent sun protection.
Ultraviolet radiation can stimulate additional pigment and make existing discoloration darker. Without adequate protection, even an effective pigmentation treatment may produce disappointing results.
The American Academy of Dermatology (AAD) recommends sunscreen with:
For people dealing with melasma or hyperpigmentation, dermatologists may recommend tinted sunscreen containing iron oxides because visible light can also worsen pigmentation, particularly in darker skin tones.
A wide-brimmed hat, shade, and sun-protective clothing can provide additional protection.
Dark pigmentation can have many causes.
Common triggers include:
Post-inflammatory hyperpigmentation, for example, can develop after an inflammatory skin condition has healed. If the underlying acne or irritation continues, new dark marks may keep appearing even while older ones fade.
The AAD recommends identifying and addressing the cause of hyperpigmentation before relying solely on fading products.
Azelaic acid is one ingredient dermatologists may recommend for certain forms of hyperpigmentation.
It has anti-inflammatory properties and can be useful when pigmentation is associated with acne or other inflammatory skin conditions. The AAD lists azelaic acid among nonprescription ingredients that may help fade dark spots.
It can be particularly useful when acne and pigmentation occur together because treating the underlying acne can help reduce the development of new marks.
Retinoids can help improve uneven pigmentation by increasing skin-cell turnover and addressing several conditions that contribute to discoloration.
Depending on the situation, a dermatologist may recommend:
The AAD lists retinoids among ingredients that may help with mild pigmentation irregularities.
However, retinoids can irritate the skin. Excessive irritation can actually worsen hyperpigmentation, particularly in darker skin tones.
Dermatologists may therefore recommend starting gradually and using moisturizer to reduce irritation.
Retinoids should not be used during pregnancy unless specifically directed by an appropriate healthcare professional.
Vitamin C is another commonly used ingredient for uneven skin tone.
It can be incorporated into a skincare routine intended to improve the appearance of pigmentation and provide antioxidant protection.
The AAD lists vitamin C among nonprescription ingredients that may help fade dark spots.
A vitamin C product should be introduced gradually if the skin is sensitive, particularly when other active ingredients are already being used.
Glycolic acid is an alpha-hydroxy acid that exfoliates the skin.
It is among the ingredients the AAD lists as potentially helpful for fading dark spots.
Because excessive exfoliation can cause irritation, more is not necessarily better. Irritation itself can contribute to additional pigmentation.
For this reason, a gentle approach is generally preferable to aggressively layering multiple exfoliating products.
Kojic acid is another pigment-targeting ingredient used in some skincare products.
The AAD lists kojic acid among topical ingredients that may help improve dark spots.
It is also used in some dermatologist-directed treatment plans for melasma and other pigmentation disorders.
For certain pigmentation disorders, dermatologists may prescribe hydroquinone, a well-established skin-lightening medication.
The AAD identifies hydroquinone as a common prescription treatment for melasma.
Hydroquinone should not simply be treated as an everyday cosmetic ingredient. Duration, concentration, application area, and the underlying diagnosis matter.
Recent dermatology guidance also emphasizes using hydroquinone-containing combination treatments strategically rather than continuously for prolonged periods because irritation and other adverse effects can become concerns.
Melasma can be particularly persistent.
For some patients, dermatologists may use a triple-combination cream containing:
The combination targets pigmentation through several mechanisms while the corticosteroid helps reduce inflammation. The AAD identifies triple-combination therapy as one prescription approach used for melasma.
Current expert recommendations emphasize tailoring the treatment to the individual and using combination therapy strategically, followed by appropriate maintenance treatment.
Aggressive skincare can sometimes make dark spots worse.
The AAD recommends choosing gentle, fragrance-free products and avoiding products that burn or sting. Skin irritation can stimulate additional pigmentation.
This is particularly important for people prone to post-inflammatory hyperpigmentation.
A basic routine may therefore be preferable to constantly adding new active ingredients.
Some internet remedies can cause burns or inflammation rather than fading pigmentation.
Liquid bleach should never be applied to the skin. The AAD specifically warns against using bleach to treat dark spots.
Unregulated skin-lightening products can also contain undeclared ingredients such as potent steroids or mercury. These products may cause skin damage and other health problems.
Products from questionable sources should therefore be avoided.