The back socket of the knee became black, and it couldn t be washed out no matter how much I washed

If it can't be washed off, it is caused by melanin precipitation, it is recommended to use professional anti-blackening products, and pay more attention to cleaning and sun protection.

1. Take some sea salt or coarse salt, wet it with water, and gently rub it in the black place of your knees for about 3 minutes.

2. Squeeze a little whitening lotion on the palm of your hand, pour in a small spoon of vitamin C powder, stir well, apply it to the dark place on your knees, wipe it once a day, and after using it for about a week, it will improve significantly.

3. Mix the fruit acid solution with fresh lemon and water, apply it to the black area of the knee, wash it off after 15 minutes, and see the effect after a week.

4. Use professional erythrophyllin products.

You can try using toothpaste, ask for a pure white toothpaste, apply it to your knees, and then scrape it by hand (scrape for a long time), and wash it off after scraping, and stick to it, and it will work.

Child, you didn't make it clear, born dark, or the day after tomorrow, natural black or sick black? When you say "patient information", it is easy to think that it is caused by illness. But I don't think that's what it means, you want to look better when you show your knees, don't you?

How to remove black and whiten your knees:

Step 1: Soak a cotton pad in lotion, gently wipe your knees, and massage with both hands. Instantly softens and brightens knees.

Step 2: Gently massage into damp skin and rinse.

Comments: Just these two simple steps can get knee maintenance.

After the above simple steps, the operation is simple and convenient, and it only takes more than 5 minutes to remove the knee from black to white.

Gently massage with a little scrub and add a little vinegar or lemon juice. In a few days, your knees will be white and tender. You can also wash your knees with an exfoliating gel, or you can wash it with vinegar or lemon juice. Then dip your fingers in milk to suck the knee and massage, and it's OK for a week

Wash your knees with an exfoliating gel, or with vinegar or lemon juice. Then dip your fingers in milk to suck the knee and massage, and it's OK for a week

Rinse with white vinegar in warm water.

1. Drink more water, water is the source of life, and its impact on the human body is irreplaceable! Drinking eight large glasses of water every day is a requirement for most people in order to eliminate toxins from the body in time.

2. Eat more watery fruits, especially in hot days, ultraviolet radiation can add the production of melanin, and it is best to eat more than 4 kinds of fruits and vegetables every day. Appropriate supplementation of fiber, vitamin C, and vitamin E.

3. Consume less tyrosine-rich foods. Melanin is converted from tyrosine by the action of tyrosinase. If the tyrosine intake is less, then the basic substance for the synthesis of melanin will also be less, and it can become white.

Therefore, you should eat less tyrosine-rich foods, such as potatoes, sweet potatoes, etc.

4. Use professional erythrothrin products. Tender erythrin is mainly by activating the self-synthesis of subcutaneous blood hormone in the human body, and smoothing the circulation, draining the deep pigment of melanin, which can improve dullness and excessive wrinkles, and make the skin appear naturally pink and red.

We may pay attention to sun protection, but we also overlook many areas, such as the knees and elbows! These two areas are often rubbed, so sun protection should also be replenished often!

Many people don't care much about this, thinking that it won't affect anything, but in fact, sleep quality is really important! If you don't sleep well, your metabolism won't be good enough, and the more melanin is likely to be deposited in joints and other parts! Therefore, the quality of our daily rest and sleep is very important!