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The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

New nanofiber technology improves wound healing by supporting cell growth and delivering treatments directly to the wound.

Human skin can make serotonin and melatonin.

Male and female skin differ in many ways, which could lead to gender-specific skin treatments.

Researchers created human hair follicles using a new method that could help treat hair loss.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Alopecia areata causes hair loss, has no cure, and various treatments exist.

The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Nanoparticles can improve skin drug delivery but have challenges like toxicity and stability that need more research.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

TRP channels in the skin are important for sensation and health, and targeting them could help treat skin disorders.

Platelet-rich plasma might help with hair growth and skin conditions, but more research is needed to prove its effectiveness and safety.

The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

Skin-derived precursors in hair follicles come from different origins but function similarly.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.

The document concludes that dandruff and seborrheic dermatitis are linked to inflammation and skin changes, and treating them with specific shampoos can reduce these issues.

Fetal skin heals without scarring due to unique cells and processes not present in adult skin healing.

Blocking β-catenin in skin cells improves hair growth during wound healing.

Sericin hydrogels heal skin wounds well, regrowing hair and glands with less scarring.

New methods for skin and nerve regeneration can improve healing and feeling after burns.

A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.

Mutations in Gasdermin A3 cause skin inflammation and hair loss by disrupting mitochondria.

Some women with common hair loss may develop permanent hair loss.

CCCA is a scarring hair loss condition mainly in African descent women, possibly caused by genetics and hairstyling, treated with gentle hair care and medications.

Short-chain fatty acids from *Cutibacterium acnes* cause skin inflammation, contributing to acne.

The document concludes that targeting the androgen receptor may be a promising breast cancer treatment, especially for certain types.