It may be because of hormonal or nutrition deficiency. Did you change anything recently in your diet? You should include protien and iron rich food in your diet. Stress is also a reason of hair loss. . . . Please make sure to take CAREFUL care of your HAIR. It is important to keep them healthy by taking a BALANCED diet and REDUCING stress. If the problem still persists, then it is better to visit a dermatologist.

Injuries can be the result of heat, chemicals, or sun exposure. Until then, keep the area clean and do not scratch it. The application of aloe vera or honey can help to relieve the scar. With time, it will become less noticeable, but be careful as scars are slow to vanish. It is not enough to wear a hat in the sun, make sure you also avoid getting darkened by it. 

The little bumps under your tongue that appear and disappear might be swollen taste buds, which don’t pose any danger. Conversely, oral thrush is a result of yeast infection. This is quite widespread and can be cured with antifungal drugs that should be prescribed by a physician. Do not forget to brush your teeth regularly and to follow a balanced diet.

You may have hyperpigmentation after inflammation, which is a consequence of skin inflammation such as a fungal infection. The dark color of the skin is the result of the skin's recovery mechanism. A gentle exfoliating scrub or a vitamin C-rich skin-brightening cream are examples, you can fade the pigmentation by trying them. It is important to use an SPF product as UV rays can aggravate the pigmentation.

Blackheads are minuscule black spots on your skin. They are a result of oil and dead skin blocking the pores on the skin. To clarify them, gently wash the pores once daily, never neglect the exfoliation part, and the third thing is to apply a non-come-genic moisturizer. Besides you can try using salicylic acid or benzoyl peroxide products. Don't forget to wash your face thoroughly and moisturize it.