Skin atrophy is the thinning of the skin and it can happen for different reasons like aging, steroid abuse, or some medical conditions. Skin atrophy is the major issue and it is necessary to use gentle lotions and creams to keep your skin moisturized to solve it. Refrain from harsh chemicals and cover your skin from the sun. Eating a balanced meal full of vitamins and minerals can also help your skin. Always bear in mind that the major reason for taking good care of the skin is for the overall well-being of the body.

You may have a fungus infection in your groin. It may result in scratching and irritation of the affected areas. I suggest you go to a dermatologist who can diagnose and cure your disease.
 

Fungal infections may be reassured by symptoms like the reddish color, itching, and wavy skin. On the whole, they are caused by excess moisture or a weakened immune system. To deal with it, you will require antifungal treatment that will kill the fungus. Focus on cleaning and drying up the infected area, then wear clothes that are only fitted to you to help it heal.

The use of rosemary water for hair is quite beneficial. Rosemary shows the potential for increasing hair growth and stopping hair loss with its properties. It is a common method used to reduce dandruff and improve scalp health. Nevertheless, in case of any skin reaction or allergies, avoid it. Before applying it all over your scalp, it is crucial to try out a small area first. 

HIV does not spre­ad easily from dried blood. The virus die­s quickly outside the body. A small cut touching dried blood is ve­ry unlikely to cause infection. Unbroke­n skin protects against HIV entering the­ body. Being cautious with blood is wise. Howeve­r, in this case, the chance of ge­tting HIV is extremely low. It's still good to watch for any unusual symptoms. But you probably have­ nothing to worry about!