Age spots: removal of age spots

Hyperpigmentation: age spots What causes age spots and how can I reduce them?

Age spots (also known as sun spots) are small areas of discolouration (hyperpigmentation) that frequently appear on the face, hands and other parts of the body regularly exposed to the sun. This article looks at what causes them and explains what you can do to help prevent them from forming. We also look at the steps you can take to reduce dark spots once they have formed.

What are age spots?

Usually found on the hands, face, décolletage and other areas frequently exposed to the sun, age spots are small, flat, darkened patches of skin (light brown to black in colour). Age spots are a type of hyperpigmentation - a common skin condition whereby melanin, a natural pigment in skin, is overproduced causing dark spots and uneven skin tones.

They are known by various other names, including lentigo senilis and lentigo solaris, sun spots, pigment spots, and liver spots, with the latter due to the now disproved belief that they were caused by liver problems.

Age and over-exposure to UV light are both reasons why someone may develop hyperpigmentation (hence the names age spots and sun spots), and therefore they are very common in adults above 40. However, they can also occur in younger people due to inadequate protection against sun damage. The appearance of pigment spots can make sufferers feel more self-conscious, particularly given their association with ageing.

Given their similar appearance, age spots can often be confused with freckles, with the difference being that freckles tend to fade away post-sun exposure whilst age spots are more permanent.

Although pigment spots are usually harmless, certain forms can be life-threatening, as in the case of melanoma. Therefore a regular dermatological assessment of the skin for pigment spots is advisable. 

Hyperpigmentation can affect the skin colour of people of any skin complexion, although age spots are more likely to occur in people with lighter skin tones. There is no gender bias.

 
Forehead with visible age spots of a middle-aged person
Age spots occur in people over 40 - they appear on your face, hands, arms and shoulders.
Age spots often form on the back of hands
Age spots tend to appear on areas of skin that are most exposed to sun, such as the back of the hands.

What causes age spots and how do they form?

Age, exposure to UV light, sun damage to the skin, genetics and hormonal influences are all factors in determining if and when someone’s skin may develop hyperpigmentation.

Sun exposure and age

Age spots are the result of local concentrations of excess melanin, with these areas caused by increased activity of melanocytes, the melanin-producing skin cells located in the basal layer of the epidermis.The major determinant of skin colour is not the quantity of the skin’s melanocytes, but their activity level.

Within the melanocytes are pigment granules, called melanosomes. These contain tyrosinase, the pigmentation enzyme that is key to the skin’s melanin production, and synthesised melanin.

An illustration of hyperpigmentation
Tyrosinase is the enzyme that forms melanin and in cases where the melanin-production is not inhibited, the dark spots appear.

Melanin absorbs the UV-radiation of the sun’s rays in order to protect the skin. Provided sun exposure is limited, the result is an even tan.

However, if skin is exposed to too much sun, over a long period of time, the activity of melanocytes will increase and too much melanin will be produced.

The result will be the appearance of age spots on the most commonly exposed areas, such as the face, hands and décolletage.

As skin ages, the number of melanocytes decreases but the remaining ones increase in size and their distribution becomes more focused. Regulation of the melanosomses also becomes less controlled in older skin.

These physiological changes explain the increase of age spots in those over 40.

Woman holding one hand in front of her face to protect from sun
Adequate sun protection can avoid further hyperpigmentation.
Female decolette with age spots
Age spots can occur due to overproduction of melanin amongst others on the decolletage.

Melanoma is a type of skin cancer that begins with the skin’s melanocytes. If you have a pigment spot that is changing in size, shape, colour, or is itching or bleeding, you should contact your dermatologist for further consultation.

Other factors

The skin’s melanin production process is the same regardless of the source of UV light. As a result, exposure to artificial sources such as from sun-beds can cause hyperpigmentation and age spots.

Genetics can also play a part in the development of age spots. If a parent or parents have them then there is a higher chance of them occurring in the next generation.

Age spots can also be induced by injury or inflammation to the skin. Also known as post-inflammatory hyperpigmentation (PIH), this condition can often occur following periods of dermatitis or acne.

Finally, changes in your body’s hormonal balance can also influence hyperpigmentation in the skin. The most common example of this is ‘the mask of pregnancy’, clinically known as melasma, with typically between 10-15% of pregnant women experiencing this.

A pregnant woman touching her belly
Pregnancy’s associated hormonal changes can also induce hyperpigmentation.

How can I remove or reduce existing age spots?

While prevention is best, once age spots have developed there are steps you can take to help fade them and prevent their re-appearance.

Dermo-cosmetic solutions for age spots

A daily skincare routine that incorporates products that are clinically and dermatologically proven to address age spots can be an effective solution. Being non-invasive, dermo-cosmetic products can be used year-round. They can also extend the results of a dermatological treatment such as a chemical peel or laser therapy.

The Eucerin Anti-Pigment range has been specially formulated to reduce age spots (and other forms of hyperpigmentation) for more even and radiant skin.

All four products in the range – a day cream, night cream, serum and spot corrector – contain Thiamidol, an effective and patented ingredient that acts at the root cause of hyperpigmentation by reducing melanin production. It has been clinically and dermatologically proven to reduce dark spots and prevent their re-appearance. First results are visible after two weeks and improve continuously with regular use.

Eucerin Hyaluron-Filler + Elasticity 3D Serum is a light and moisturising anti-aging serum that has been specially formulated for mature skin. It contains high and low molecular Hyaluronic Acid and Arctiin to plump up deep wrinkles and improve skin elasticity. The formula also includes Eucerin’s unique active Thiamidol and is clinically and dermatologically proven to reduce age spots within two weeks.

Anti-Pigment Day Cream Pack and Box
The Eucerin Anti-Pigment Range, with Thiamidol to actively reduce and prevent hyperpigmentation.
Eucerin Hyaluron Filler Elasticity 3D Serum Kombi
An anti-aging serum for mature skin that reduces age spots, plumps up deep wrinkles and improves elasticity.

Dermatological treatments for age spots

Age spot removal treatments largely consist of chemical peels or laser therapy. Both of these treatment types have side-effects, such as irritation, inflammation and even burning, which can actually trigger post-inflammatory hyperpigmentation, especially on darker skin tones.

Age spot removal treatments can also be expensive and invasive. Consult your dermatologist for more information if you are considering these treatment options. Products in the Eucerin Anti-Pigment range can be used to extend the benefits of dermatological treatments.

Chemical peels involve applying a chemical solution (such as an AHA) to the face, neck and hands to exfoliate skin (remove dead skin cells), stimulate the growth of new skin cells and reveal new skin.

Laser therapy has a similar effect but tends to be more precise as the dermatologist has more control over the intensity of the treatment. Laser treatments involve ‘zapping’ the affected areas with high-energy light. The mildest treatments work on the skin’s epidermis (surface layer), while more intense treatments can penetrate the deepest layers of the skin.

Laser therapy can be used to remove age spots
‘Zapping’ is an effective way to treat affected areas with a high-energy laser.

Regulation

A number of topical medical or skincare products are also available to regulate pigmentation spots. Most rely on one or more of the following key ingredients to lighten the darkened skin patches, to match the normal skin colouration, and/or slow down the production of melanin:

  • Hydroquinone 2-4% (Rx only). This is a powerful prescription-only skin bleaching agent that has been banned in cosmetics in the EU since 2001 due to its potential toxicological risks and its likelihood of causing post-inflammatory hyperpigmentation. It is available in lower concentrations (>2%) in some US over-the-counter remedies.
  • Kojic Acid. A natural remedy for age spots and a by-product of the Japanese rice wine, sake. However, it is thought to be a fairly weak inhibitor of melanin production and is also banned in many countries.
  • Glycolic Acid. As well as being used by dermatologists for chemical peels, Glycolic Acid is an active ingredient in many hyperpigmentation topical creams, albeit often in lower concentrations.
  • Vitamin C derivatives. Often used in conjunction with other active ingredients, these derivatives have proven to be relatively effective against hyperpigmentation.

As well as regulating pigmentation, there are ways to prevent age spots from occurring in the first place, and several key ingredients which can actively reduce the appearance of hyperpigmentation.

What can I do to prevent age spots?

As well as regulating pigmentation, there are ways to prevent the occurrence and key ingredients to reduce the appearance of hyperpigmentation.

  • Sun protection. To prevent sun skin damage and hyperpigmentation, it is advisable to use a broad-spectrum sunscreen with an adequate SPF every day as part of a daily cleanse, clear and care routine.
  • Arbutin. This natural source of hydroquinone is a key ingredient in many skin-whitening products used in Asia. Although it is not as strong, or effective, as industrially-produced hydroquinone, there are similar concerns about its safety.
  • Retinoids (Vitamin A derivatives). Again, these are relatively effective but both can irritate skin and lead to greater sun sensitivity (which, of course, can worsen hyperpigmentation). Retinoids are not considered suitable for pregnant or breastfeeding women due to potential links with birth defects.
  • Thiamidol. This highly effective Eucerin-patented active ingredient is clinically and dermatologically proven to reduce dark spots and prevent their reappearance. It acts to inhibit the skin’s melanin production, with visible results after two weeks and further improvement with continuous and regular use.
Woman using sun spray on her arm
Protect your skin from sun spots through regular use of sunscreen with an adequate sun protection factor (SPF).
woman with exposed skin
Use an appropriate sun protection product on all areas of skin that are exposed to the sun

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