Itchy, rashy skin down there­ is no fun, especially in the he­at. This could be jock itch - a fungal thing. Nature's reme­dies like nee­m, turmeric, and aloe may help. Stay away from tight clothe­s. Keep the are­a dry and airy. Eat healthy foods. 

It is possible that the black vertical line on the boy's thumb nail is a result of a melanonychia striata, which is a linear nail melanin pigmentation. It is relatively common in children and is generally harmless. However, it is important to have it evaluated by a doctor, especially if it is growing, to rule out any underlying medical conditions.

Please share more details regarding your problem for better evaluation and advice.

The best way to get clear skin is to use a gentle skincare routine that includes cleansing, toning, exfoliating, and moisturizing. To help reduce the appearance of acne scars, you may also want to consider using a product with ingredients like retinol, vitamin C, and hyaluronic acid to help reduce inflammation, promote collagen production, and improve hydration levels. Additionally, you may want to consider using a gentle exfoliating scrub or mask, such as a clay mask, to help remove dead skin cells, unclog pores, and brighten skin. Lastly, you may want to consider using a topical spot treatment with ingredients like salicylic acid to help reduce inflammation and break down any remaining acne scarring.

You are experiencing seborrheic dermatitis. The condition can be whiteheads, itching, and the loss of eyebrow hair that can particularly be felt on the skin. Skin can develop open pores. It is a result of an overgrowth of yeast on the skin. With the assistance of mild cleansers that don't have any scent at all and dandruff shampoos, they can get rid of the issues of the poor comfort that they have with treatment.

People­ lose hair frequently, particularly male­s, due to genetic inhe­ritance. It can be observed through the thinning of scalp hair gradually ove­r time. Factors like gene­tics and hormones cause this condition. Treatme­nts exist to address hair loss, like minoxidil or finaste­ride medications. Additionally, living healthily and managing stre­ss can bring a positive impact. Consult a dermatologist for proper treatment

Laser hair removal can be an effective way to remove unwanted facial hair. But it is important to discuss any hormonal imbalances with your doctor before beginning a treatment plan. Laser hair removal may not be the best option for you if your DHEA level is high as this could lead to an increased risk of side effects. Your doctor may suggest other options such as oral medications, topical creams, or electrolysis.