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Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.

Treatments for permanent hair loss from scarring aim to stop further loss, not regrow hair, and vary by condition, with partial success common.

New antifungal treatments for a children's scalp infection are effective and safe, but it's not decided if they will become the preferred option over the old treatment.

Stem cells from hair follicles can safely treat hair loss.

To diagnose hair loss, use a systematic approach including history, exams, and tests.

The document concludes that rapid identification, isolation, and strict infection control are crucial to manage SARS outbreaks.

Certain types of T cells are essential for healthy skin and play a role in skin diseases, but more research is needed to improve treatments.

Hidradenitis suppurativa is caused by genetic factors, inflammation, bacteria, hormones, and lifestyle factors like obesity and smoking.

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.

Imiquimod 5% cream reduced equine sarcoids in most cases.

Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.

Zizyphus jujuba essential oil can promote hair growth.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

Nuclear hormone receptors play a significant role in skin wound healing and could lead to better treatment methods.

Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.

European guidelines recommend regular eye and ear exams, skin care, vitamin D supplements, and cautious use of medications for managing congenital ichthyoses.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Certain immune system proteins are important for skin healing but can cause problems if there are too many of them.

Certain bacteria and fungi are linked to healthy scalps and dandruff, suggesting that the scalp's microbial balance affects its health.

Toll-like receptors are important for wound healing, but can slow it down in diabetic wounds.

Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.

Microneedle technology has improved drug delivery and patient comfort but needs more research for broader use.

Lymphocytes, especially CD8+ T cells, play a key role in causing alopecia areata, and targeting them may lead to new treatments.

Nitric oxide gel helps heal skin burns faster by improving skin growth, hair regrowth, and blood vessel formation.

Nanocarrier-loaded gels improve drug delivery for cancer, skin conditions, and hair loss.

Skin grafts are effective for chronic leg ulcers, especially autologous split-thickness grafts for venous ulcers, but more data is needed for diabetic ulcers.

Some dermatological medications can impair male fertility, so consult a doctor before trying to conceive.

Skin bacteria, specifically Staphylococcus aureus, help in wound healing and hair growth by using IL-1β signaling. Using antibiotics on skin wounds can slow down this natural healing process.