What are the causes of spot formation?

Having spots on the face is a very depressing thing, because they will greatly affect your appearance. What's even more annoying is that no matter what freckle removal products or whitening products you use, they don't work. In fact, the causes of the formation of spots are different. As long as you know the causes of the spots, you can get ideal results by taking targeted measures to remove the spots. The following is an introduction to the classification of causes of plaque formation:

Causes of dark spots

Characteristics of melasma: melasma can be divided into two types: congenital melasma and acquired melasma. Black spots usually appear on the face or body, appearing as large black or bluish-black spots.

Causes of black spots:

1. Sun exposure is the number one killer of spots. Generally, the melanin deposition caused by sun exposure will be metabolized by the human body.

However, some people may have a slower metabolism or are older, which may leave melanin and form dark spots.

2. Metal poisoning caused by using expired or inferior cosmetics, such as lead, mercury, arsenic poisoning, etc.

3. When the skin is injured, foreign objects such as dust and ink are embedded in the wound: using iodine or gentian violet; or eating too much pigmented food, such as soy sauce and black fungus, will cause pigment deposition and form dark spots.

Causes of freckles

Characteristics of freckles: Freckles are mostly hereditary spots, usually growing on women's faces. As age increases, the spots on the face will also increase. Freckles are mainly distributed on the nose and both sides of the cheeks, and their shapes can be round or oval the size of mung beans.

Causes of freckles:

1. Genetic factors: However, it is not necessarily inherited from your parents, it may be inherited from several generations. Generally speaking, freckles mostly appear

Appears on the face with fair skin.

2. Exposure to sunlight: On the one hand, the ultraviolet rays in the sunlight stimulate the subcutaneous pigment cells to become active and produce a large amount of melanin; on the other hand, they damage the normal metabolic function of skin cells, making it impossible for melanin to be excreted smoothly and remain on the skin, or even deposited in the dermis. Therefore, excessive sun exposure will aggravate and deepen freckles, but in winter, freckles will gradually fade.

Causes of Melasma

Characteristics of chloasma: Chloasma appears as yellow-brown or dark brown patches, which are often symmetrically distributed on the cheekbones and cheeks, and may also affect the periorbital area, forehead, upper lip and nose, with generally obvious edges.

Causes of Melasma:

1. Imbalance of yin and yang in the human body: First, stagnation of liver qi causes blood stasis on the face; second, weakness of the spleen and stomach causes qi and blood to fail to moisturize the face, and damp heat rises to the face to form spots; third, deficiency of kidney yang causes the yang qi to diffuse, and blood stasis on the face forms chloasma.

2. After pregnancy, the placenta secretes more androgen and progesterone, so pregnant women often have symmetrically distributed chloasma on their cheeks. However, after delivery, when the body's androgen and progesterone secretion returns to normal, the spots will naturally lighten or disappear for most people.

3. Drug factors: 9% to 20% of women who take oral contraceptives for a long time are prone to chloasma. Some even develop facial spots one month after taking oral contraceptives. In addition, taking drugs for high blood pressure and diabetes and eating more photosensitivity foods such as celery, coriander, carrots, etc. can also easily cause chloasma.

4. Other factors: Some chronic diseases such as chronic hepatitis and tuberculosis will lead to increased tyrosinase activity and increased melanin production, while the body's own ability to eliminate melanin will be weakened. Once melanin cannot be excreted from the body in time, chloasma will occur on the face over time; in addition, improper use of cosmetics will aggravate and accelerate the formation of chloasma.

Causes of Age Spots

Characteristics of age spots: Age spots generally occur after the age of 40, and are light brown or flat papules with a smooth or slightly papilloma-like surface, distributed on the scalp, face, trunk, upper limbs, back of hands and other parts.

Causes of age spots:

1. When people enter old age, the body's antioxidant capacity declines, and the blood vessels gradually age and harden, causing excessive free radicals to settle in the basal layer of the skin, forming spots.

2. Age factors or certain nutritional deficiencies lead to a slowdown in blood flow and skin metabolism, which reduces the body's ability to eliminate melanin. Age spots appear after melanin deposition.

3. Related to other factors: such as congenital heredity, certain physical factors, the most typical of which is ultraviolet radiation which can cause the appearance of age spots.