Age spots are a common skin problem that is closely related to skin aging and UV exposure. Although they are generally harmless to health, many people want to treat or prevent these spots because they affect their appearance.
Age spots are mainly caused by pigmentation problems caused by long-term exposure to UV rays, and usually appear on the skin of middle-aged and elderly people. The following are the main causes:
Ultraviolet rays (UVA and UVB) stimulate the production of melanin in the skin. When the skin is damaged by UV rays, melanin accumulates to form pigmentation, resulting in spots. Years of cumulative UV exposure are the main cause of age spots.
As we age, the skin's ability to repair UV damage weakens, and melanin metabolism slows down, increasing the risk of age spots. This is why people over 45 are more likely to develop age spots.
Some people are more likely to have spots on their skin due to family genetic characteristics. If someone in your immediate family has age spots, the risk for family members will also be higher.
Smoking: Smoking accelerates skin aging and reduces its ability to repair itself, making age spots more likely to form.
Pollution: Pollutants in the air may also aggravate oxidative damage to the skin and lead to the deposition of melanin.
Unhealthy eating habits: A diet lacking antioxidants reduces the skin's ability to resist free radical damage and accelerates the formation of age spots.
Age spots are usually pigmented spots on the skin, and common features include:
Color: The spots are brown, dark brown or black.
Shape: Generally round or oval with clear boundaries.
Size: The diameter ranges from a few millimeters to several centimeters.
Age spots usually appear in areas that are frequently exposed to the sun, such as:
The back of the hands
The face
The shoulders
The back
The chest
Age spots usually do not cause pain, itching, or other discomfort, but their appearance may affect a person's aesthetic appearance, especially when they are densely distributed.
Age spots are usually harmless, but it is important to distinguish them from possible skin cancer spots. If the spots have irregular borders, change color, or continue to grow, you should seek medical attention in time.
In the United States, there are a variety of methods for treating age spots, from over-the-counter products to medical cosmetic techniques, and patients can choose the appropriate treatment plan according to their needs.
Hydroquinone: A commonly used whitening ingredient that can inhibit the production of melanin and reduce the visibility of spots. It should be used under the doctor's orders to avoid skin irritation.
Vitamin C and Vitamin A: Topical use of products containing vitamin C or A (such as retinol) can promote skin cell renewal and lighten spots.
AHA and salicylic acid: Help exfoliate and accelerate melanin metabolism, thereby improving age spots.
Intense pulsed light (IPL): Uses light of a specific wavelength to act on the deep layers of the skin to decompose melanin, suitable for the treatment of shallow spots.
Q-switched laser: For more stubborn or deep age spots, strict sun protection is required after treatment.
Use acidic solutions (such as trichloroacetic acid) to remove the surface layer of the skin and promote the growth of new skin. This method is suitable for shallow age spots, but it requires a professional dermatologist to operate.
Use liquid nitrogen to freeze the age spot area, causing the pigmented cells to die and fall off. This method is suitable for small areas of spots.
Microneedles stimulate skin metabolism and can effectively lighten spots when used with whitening essence.
Many patients choose to combine medical beauty treatments with home care to achieve a longer-lasting whitening effect. For example, after laser treatment, continued use of skin care products containing antioxidant ingredients can prevent the recurrence of spots.
Use sunscreen above SPF30 and apply it evenly before going out every day, especially on easily exposed areas such as the face and back of the hands.
Wear a wide-brimmed hat, sunglasses, and long-sleeved clothing to reduce direct exposure to ultraviolet rays.
Eat more foods rich in antioxidants, such as blueberries, tomatoes, green tea, and nuts.
Supplementing vitamins C and E helps protect the skin from free radical damage.
Cleanse and moisturize daily, and use products containing vitamin C or fruit acid.
Avoid excessive exfoliation to avoid damaging the skin barrier.
Quit smoking and limit alcohol consumption to avoid toxins from damaging the skin.
Moderate exercise to promote blood circulation and skin repair.
Age spots themselves are harmless, but if the spots suddenly increase in size, become darker in color, or have irregular borders, you need to see a doctor immediately to rule out the possibility of malignant skin diseases.
Laser treatment is safe, but it must be performed by an experienced dermatologist. Strict sun protection is required after treatment to prevent skin sensitivity or pigmentation.
Using skin care products containing antioxidants and skin-lightening ingredients can lighten spots, but the effect is slow and suitable for daily care of mild age spots.
The cost varies depending on the treatment method. Over-the-counter drugs and skin care products are cheaper, while laser treatments or chemical peels are more expensive (usually between $300-800 per session).
Age spots are a natural result of aging and UV damage. Although they are not harmful to health, they can be treated and prevented in a variety of ways. In the United States, patients have a variety of options, including professional technologies such as topical medications, laser treatments, and chemical peels. At the same time, combined with daily sun protection and healthy lifestyle habits, they can effectively reduce the formation and recurrence of age spots.
Whether you want to improve quickly through medical beauty treatments or rely on home care to gradually lighten the spots, the key is perseverance. If you have questions about the treatment or prevention of age spots, it is recommended to consult a dermatologist to develop a care plan that best suits you and have healthier, smoother skin.