Une tache brune non douloureuse sur la peau est-elle inquiétante ?

Chicken skin is a condition whe­re your skin feels bumpy, and rough, like­ sandpaper. Keratin buildup blocks hair follicles, causing this. Using mild cle­ansers helps. Moisturize ofte­n. Gentle exfoliation smooths bumps. Lactic acid or ure­a products reduce roughness. It's common but usually improve­s gradually. 

There are numerous reasons for pigmentation on the face, such as sun damage, hormonal changes or trauma. It is treatable if diagnosed by a dermatologist correctly. I recommend that you see a dermatologist who deals with hyperpigmentation. They can advise you on the best treatment option, whether it is topical creams, chemical peels or lasers, based on the severity of your condition.
 

redness, numbness and top lip swelling can be caused by different things like injuries or inflammations. You need to consult a dermatologist to understand the actual source of this condition, as well as obtain appropriate treatment. Self-diagnosis and medical treatment may aggravate the situation and cause complications.

Sometimes not having enough vitamin D3 can cause people to lose their hair. You should keep taking the vitamin D supplement as the doctor told you. You should try to eat more foods that have iron and protein in them as well. One thing that might help is finding ways to relax when you are stressed. 

This is usually when you have dark or light patches on your skin. Some common factors are sunburn, hormonal changes, and genetics. Improving pigmentation can be achieved by sunscreen, limiting sun exposure, and using skincare products with ingredients like vitamin C or retinol to even out your skin tone.