Internal issues such as hormonal imbalances, insufficient nutrition, and stress are some of the causes of hair regrowth. Hair loss signs can be if you see more hair in the shower or on your pillow. Causes can be as diverse as thyroid problems to vitamin deficiencies. To promote hair regrowth, one should eat a healthy diet, deal with stress, and seek medical help for the right diagnosis and treatment.

skin problems such as pimples, blackheads spots and discoloration arises from the numerous causes that includes hormonal changes, stress or habits of skincare. It is recommended to consider visiting a dermatologist in order to find out the effective cause and get personalized recommendations on how this issue should be addressed. Cleaning your face with consistent gentle cleansers and using suitable products for your skin type may help. Further, ensure to eat healthily as much, drink water adequately and also manage stress properly all for better skin care. Pick or squeeze pimples will lead to more severe scarring.

Your son may have accidentally hit you in the face since there is a bruise and some swelling under your eyes. Normally such injuries heal over time so don’t worry too much. If it’s really bad then apply something cold to help with the inflammation as well as taking some over the counter painkillers if needed. If things do not improve within 48 hours please seek medical advice immediately.

Your testis might have some white spots, which probably are Fordyce spots. The latter is a harmless issue and common. They are small, raised, and painless. Oil glands that secrete too much oil end up clogging pores, and thus, we see these dots on the skin. Emotional tension or fluctuations in the levels of hormones could cause them. Usually, Fordyce spots do not require any treatment. 

It seems that you might have an issue with cholinergic urticaria. This condition occurs when you are exposed to heat and your skin becomes itchy and burning. In order to cope, you should drink cool water, wear comfortable clothes.