They often occur on the forehead, cheeks, upper lip and nose, and are usually symmetrical. In some cases, the skin may be a little red at the time of onset. It usually first appears between the ages of 20 and 40, and is more likely to affect people with dark or tanned skin. In most cases, it is considered to be caused by hormonal drugs such as pregnancy, birth control pills and medical conditions that lead to changes in hormone levels.
Chloasma, also known as "liver spot" and "butterfly spot", is a common skin disease with excessive facial pigmentation. Chloasma is common in young and middle-aged women, especially those who are pregnant, postpartum and taking oral contraceptives. Generally, their illnesses are seasonal, and summer is heavier than winter. It is characterized by light brown or yellowish brown spots with clear boundaries but irregular shapes. It is symmetrically distributed around the eyes, forehead, eyebrow arch, nose, cheeks, lips and mouth. No conscious symptoms, aggravated after chronic sun exposure.
Because it affects the appearance, chloasma will bring serious psychological burden to patients, and it will affect work and life in serious cases. The etiology and pathogenesis of chloasma are complex and have not been fully clarified at present. The following is a brief description of its common etiology and pathogenesis:
Macula and endocrine
(1) Abnormal sex hormones: It is generally believed that abnormal sex hormones are the primary cause of chloasma, among which estrogen and progesterone are the main factors affecting the disease. Estrogen can increase the production of melanin by relieving the inhibitory effect of glutathione or sulfhydryl on tyrosine.
(2) Abnormal thyroid hormone: Thyroxine in thyroid hormone can promote the oxidation process of tyrosine and melanin, reduce sulfhydryl groups in epidermis and increase the formation of melanin.
Chloasma and sunlight and thermal stimulation
Ultraviolet rays or thermal stimulation in sunlight can make sulfhydryl groups in the skin be destroyed by oxidation, thus activating and increasing the tyrosinase activity of the skin, further activating melanocytes, accelerating their division and increasing their activity, increasing the number of melanocytes per unit area, exuberant melanosome secretion, accelerating their movement and diffusion, and causing skin pigmentation. Ultraviolet radiation is strong in summer and weak in winter, so patients with chloasma often change from summer to winter.
Chloasma and oxygen free radical damage
The formation and elimination of oxygen free radicals in human body is always in a dynamic equilibrium state, and free radicals are constantly produced and eliminated. However, the balance of oxidation and antioxidation in patients with chloasma is mostly destroyed, and the excessive production of oxygen free radicals and the decrease of antioxidant enzyme activity in the body can cause lipid peroxidation of biofilm, destroy the structure and function of membrane and cause chloasma.
Chloasma and hemorheological changes
Modern medicine found that the hemorheology indexes of chloasma patients were abnormal, and it was considered that qi stagnation and blood stasis syndrome were related to the increase of blood viscosity.
Other factors
Genetic factors, microbial imbalance in skin lesions, mental factors and the influence of some gynecological diseases may all be the causes of chloasma.
Therefore, if you want to completely eliminate chloasma, you must avoid the misunderstanding of freckle and find the right method.
Misconception of freckle 1. Blindly freckle removing in early stage
Of course, chloasma does not appear overnight, but is formed through the accumulation of time. Many women just have some chloasma on their faces, but when it is not very serious, they use freckle products or some unfounded remedies to freckle themselves. As a result, the spots became more and more serious, which delayed the treatment time of freckle. In fact, chloasma is easy to remove in the early stage, and the key is to choose the right method, otherwise it will not only solve the problem, but also increase the treatment cost.
Misunderstanding of freckle II. Only pay attention to the "effect" regardless of the consequences
Many people are eager for quick success when removing chloasma, and they are always easily confused by "quick-acting". Experts say that the products under the banner of "effective in seven days, 15 completely freckle" are often cosmetics added with mercury, hormones and corrosive bleach. Although the skin can be bleached in a short time, the skin surface is seriously damaged and the immunity is greatly weakened, which is undoubtedly a way to quench thirst by drinking poison.
How to remove chloasma on the face?
It is very important to choose the appropriate freckle removal method!
Experts suggest that if you want to completely remove chloasma, you can use professional freckle products, but you must pay attention to the choice of products. It is best to choose natural pure plant freckle removing products, and we must pay attention to the product ingredients to avoid adding heavy metals and prohibited ingredients. At present, Yuan makeup, which is widely recognized and loved by consumers, is the right choice to completely eliminate chloasma. Yuan makeup freckle removal begins with repairing damaged mother cells, inhibiting melanin production, accelerating melanin excretion, and eliminating chloasma from the root.
Yuanzhuang peptidase stock solution is selected from oligopeptide-1, hyaluronic acid, aloe, Dendrobium, rose, fullerene, ginseng, collagen, apple fruit cell extract and other global natural herbal extracts. Safe, fresh, skin-friendly and efficient, does not contain any chemical components, and will not have any adverse side effects on the human body during use. It is a 100% green freckle removing product.
Combine the extraction of plant essence with modern technology, select high-quality raw materials without environmental pollution, always adhere to the concept of "natural skin care", carefully select natural plant essence components, and refine them into stock solution after more than ten processes. Its texture is delicate, its tentacles are warm, and it is as clear as a sleep mask. Feel the skin temperature after application, completely blend with the skin muscles, and the nutrition reaches the texture, completely removing spots from the outside and not rebounding. Does not produce any pressure on the skin, national inspection standards, does not contain artificial allergens, does not contain spices, does not contain sensitizing preservatives, strictly controls the addition of allergic risk components, and is absolutely guaranteed.
More than 98.6% of women said that the effect of using meta makeup was remarkable, and more than tens of millions of women successfully used it to remove spots. People who have used it are full of praise for the freckle removing effect of Yuan makeup. It was elected as "recommended product of China Women's Beauty and Health Care Association" and "the first choice brand of Asian women's beauty and skin care" by the industry. Yuan makeup has been selling well for many years, and it has been well received by 90 million users, and all major users unanimously recommend it.
How to remove chloasma on the face, a reasonable diet is also very important.
In addition to sun protection, avoiding radiation, drinking proper amount of water and maintaining normal metabolism in the body, you can also eat more foods rich in vitamin C and vitamin E, which can make your skin smooth for a long time. For example: carrots, tomatoes, lemons, etc.
How to remove chloasma on the face and ensure adequate sleep to be more energetic?
Sleep is very important to the skin, and it can prevent long spots, even if you close your eyes, it is 10 minutes. Only when the skin is not deprived of oxygen will it glow. In addition, we should also pay attention to maintaining a good mood. Don't be too nervous even if there are spots. You must firmly believe that as long as the method is correct and persistent, you will definitely get rid of them.
Any woman wants to have white and flawless skin, and everyone loves white skin. However, spots are the biggest bane of whitening. Once they grow on the face, the bright and beautiful skin will become dull. Fortunately, sunspots are not hopeless. As long as we find an effective method to remove spots, we can achieve the purpose of removing spots and brightening skin color.
How to remove chloasma on the face? Through the above understanding, do you already have a clear freckle goal? What is the most effective method to remove chloasma? A large number of practices have proved that applying meta makeup in the morning and evening can greatly shorten the freckle removing time and effectively eliminate and prevent facial chloasma. In order to restore the former appearance as soon as possible, act quickly!
For more skin problems, you can consult a skin care expert in Zhuang Yuan, which will bring you more skin care knowledge, scientific skin care, and become more and more beautiful.