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Activin increases skin tumor formation, skin Tregs help hair growth, lymph-node removal doesn't improve melanoma survival, cells can revert to stem cells in wound healing, and skin bacteria produce peptides that may treat infections.

Hair follicles are crucial for maintaining skin barrier function.

Skin stem cells help create protective immune cells during wound healing.

The vitamin D receptor is essential for skin stem cells to grow, move, and become different cell types needed for skin healing.

Two fibroblast types shape skin structure and repair differently.

Skin grafts from related donors significantly healed chronic wounds in patients with a severe skin condition over a year.

Dermal sheath cells can help grow new hair follicles and show promise in treating hair loss.

A vitamin D3 compound can reduce skin cell growth.

A new treatment using skin and hair cells may help heal stubborn leg ulcers effectively and safely.

Human dermal fibroblasts help microvascular endothelial cells grow, but not vice versa.

Skin and its underlying fat layer act together to resist mechanical stress, and reinforcing this composite structure may help more with anti-aging than just strengthening the skin alone.

A special hydrogel helps heal skin without scars and regrows hair.

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

Newborns with the common rash Erythema Toxicum have many active mast cells in their skin, but these cells don't produce the LL-37 peptide.

Hemoglobin α acts as an antioxidant in skin cells, especially protecting hair follicle stem cells from UV damage.

Sensory neuron and Merkel-cell changes in the skin happen independently during normal skin maintenance.

Topical vitamin C may help treat skin fragility in the elderly.

A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.

The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.

Follicular atopic dermatitis in dark skin can look different, making diagnosis harder.

The study concludes that as skin matures from infancy to childhood, there are major changes in cell differentiation, stemness, and growth, leading to a stronger skin barrier in older children.

New findings on hair keratin, wound healing, and skin blistering were presented.

A gene mutation in mice causes increased mast cells and disorganized hair follicles in their skin.

Hair growth in alopecia areata is hindered due to impaired cell activity in the surrounding tissue.

Dermal fibroblasts have adjustable roles in wound healing, with specific cells promoting regeneration or scar formation.

Human body's immune cells are more common in the layer of fat just beneath the skin than in deeper fat layers.

Protein analysis shows aging changes in scalp cell types from women.

The skin is the body's largest organ, with layers, cells, and structures that protect and support it.