What are brown patches on the skin?

For human skin, we don't require it to be as white as snow, but at least we hope it to be healthy and have an even skin color. However, the reality is always contrary to our wishes. In life, most people have skin problems of one kind or another, and among them, the most common is brown spots on the skin, which are neither painful nor itchy. Even if you rack your brains, you can't remember when this thing appeared. Let's talk about brown spots on the skin and what these spots are. Let's learn about them together.

1. Freckles

They often grow on the face, neck, back of hands, arms, chest and limbs. It is usually light brown and ranges in size from a needle tip to a grain of rice or a mung bean.

They are round or oval in shape, often symmetrically or dispersedly distributed, and are affected by temperature. In summer, the color is darker and the number increases; in winter, the color becomes lighter and the number decreases. It's related to genetics.

2. Melasma

They are distributed symmetrically, forming a butterfly shape on the cheeks, and also spread to the forehead, cheekbones, nose, and mouth. The edges of light brown or brown spots are generally clear, and adjacent plaques tend to merge. There is no subjective discomfort. In traditional Chinese medicine, they are called "dark spots", "chloasma", "liver spots", "pregnancy spots", and "butterfly spots".

3. Dark spots

Dark spots are often seen on the cheeks, forehead, neck, back of the hands, forearms, navel, etc. The black spots are as big as a needle tip or a grain of rice, and appear in the form of dots, networks, or sheets. They are darker and thicker than brown spots, and are called "facial dust" in traditional Chinese medicine.

4. Age spots

They are yellowish brown in color and slightly larger than freckles. They often occur in areas exposed to the sun, especially the back of the hands, arms, cheeks and forehead. 2. Causes and analysis. Pigmentation is a major problem in current cosmetic treatments due to its long course and complex etiology. Therefore, internal conditioning should be combined with professional care cycles.

External factors: trauma, sun exposure, aging, improper use of skin care products, or sequelae of skin replacement.

Internal factors: pigmentation caused by genetics, disease, malnutrition, endocrine disorders, and taking certain medications.

1. Melasma

The occurrence of chloasma is an external manifestation of visceral diseases. All seven emotions can cause liver depression, qi stagnation, and physical and mental fatigue. Irregular menstruation in women can cause the disease.

2. Freckles

Freckles are a hereditary autosomal dominant skin disease, but its development is related to sun exposure and certain radioactive substances, so you need to pay attention to sun protection.

3. Age spots

Age spots are a type of senile seborrheic keratosis that is related to the physiological functions of the skin (weakened metabolism of substances such as oxygen, water and hormone levels in the skin), life habits, nutritional status, emotions, exercise, health, etc.