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Cosmetics enhance beauty, fix defects, and intimidate enemies, with varying cultural standards and alternative methods.

New alopecia treatments aim for better results and fewer side effects.

Lupus can affect the scalp and nails, often causing hair loss and nail damage, and needs early aggressive treatment to prevent permanent damage.

Different types of hair loss have unique features under a microscope, but a doctor's exam is important for accurate diagnosis.

Advancements in creating skin grafts with biomaterials and stem cells are promising, but more research is needed for clinical application.

Hair follicles can help wounds heal faster and this knowledge could be used to treat chronic skin ulcers, with a potential use of a special stem cell hydrogel to enhance healing.

Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.

Black dots under trichoscopy can appear in different hair and scalp conditions, not just in alopecia areata.

New steroidal compounds could be effective for treating conditions related to 5α-reductase enzyme activity.

The conclusion is that hirsutism should be diagnosed and treated because it affects quality of life and may signal other health problems.

Male skin gets drier and more alkaline as it ages, which may need different skincare than women's skin.

Common acne treatments can cause various side effects, like skin irritation and more serious issues, but combination therapies are often more effective and better tolerated.

Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.

Hirsutism is excessive male-pattern hair growth in women, often caused by hormonal imbalances, and requires ongoing treatment to manage.

Topical finasteride and flutamide reduce gland size and enzyme activity, with flutamide being more potent, potentially treating acne, seborrhea, hirsutism, and androgenic alopecia.

Dermoscopy is useful for diagnosing various skin, hair, and nail disorders and can reduce the need for biopsies.

Polarized dermoscopy is slightly better than nonpolarized for diagnosing hair disorders, with each method having its own strengths.

Scalp cooling is the most effective FDA-approved method to prevent chemotherapy-induced hair loss, but more research is needed for other treatments.

Minoxidil affects cell growth in two ways: low doses increase growth, while high doses slow it down and can be toxic.

Low-Level Light Therapy (LLLT) is a safe and effective method for skin rejuvenation, acne treatment, wound healing, body contouring, and hair growth, but more well-designed trials are needed for confirmation.

Platelet-Rich Plasma (PRP) shows promise for treating various skin conditions, but more research is needed to standardize its use.

In Brazil in 2018, the most common skin issues were acne, photoaging, and nonmelanoma skin cancer, with treatments often including topical medications and sunscreen.

Caffeine applied to the scalp can protect hair follicles from UV damage.

A natural steroid in the body may protect against eye damage in glaucoma.

Hair follicles are valuable for regenerative medicine and wound healing.

The article concludes that the global hair trade is exploitative and reflects complex cultural and economic issues.

Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.

Horizontal sections of scalp biopsies are good for diagnosing Central Centrifugal Cicatricial Alopecia and help customize treatment.

The document concludes that accurate diagnosis and treatment of scalp itch require differentiating between various conditions using a proposed five-step evaluation process.

Trichoscopy is a useful tool for diagnosing hair and scalp issues, but doctors must be careful to avoid mistakes.