Nightfall or wet dreams are common and normal phenomena for unmarried young people. It occurs precisely because your body is generating hormones. Having it happen twice a month can't be a cause for alarm most of the time. To minimize the frequency of such occurrences, avoid stimulating activities before bed, keep yourself busy during the day, and maintain a healthy lifestyle with regular exercise and a balanced diet.

vitiligo has varying recovery periods depending on how severe the patches and where they are located. The improvements from the treatment options such as topical medications, light therapy and surgery can last several weeks to months. The best results occur with professional medical advice and close adherence to the treatment regimen prescribed.

Seems like the problem is fungal in the intimate area. This is what's causing the itching and the pimple-like bump. The most important thing is to keep the area clean and dry so the healing can take place. Avoid rubbing or scratching the area as it can make it worse. You can try using an antifungal cream to help clear up the infection. Make sure to wear loose-fitting underwear and don't wear tight clothing as this will result in faster healing of the area.

It is important to keep your child’s feet clean and dry to prevent infection and cracking. A dermatologist or podiatrist can best determine and treat the condition. However, the best solution for cracked feet is to keep your feet hydrated and moisturized. This can be done by using lotions and creams specifically designed for cracked feet. You can also soak your feet in warm water with Epsom salts or other moisturizing oils such as olive oil or coconut oil. 

It is safe to use a friend's derma roller after disinfection if it has been sprayed with alcohol. HIV is a sexual infection; sharing needles is one of the transmitter. A sterilized roller is thus no cause of fear or stress if someone else has got HIV. Such sterilized tools do not risk transmitting HIV.

I would recommend that you take your daughter to see a dermatologist for a full assessment. A dermatologist can provide the best advice on how to care for your daughter's skin condition, as well as prescribe any necessary medications and treatments. Be sure to use gentle soaps and moisturizers and avoid harsh chemicals or fragrances.