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The new hydrogel is good for wound dressing because it absorbs water quickly, has high porosity, can release drugs, fights bacteria, and helps wounds heal with less scarring.

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

Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.

Different types of skin cells and immune cells play a role in healing UV-damaged skin, with chronic UV exposure causing lasting damage to certain skin cells.

Fat cells in the skin help start healing and form important repair cells after injury.

Obesity can worsen wound healing by negatively affecting the function of stem cells in fat tissue.

Blocking IL-17 can reduce skin inflammation in a mouse model of pityriasis rubra pilaris.

The cornified envelope is crucial for skin's barrier function and involves key proteins and genetic factors.

Exosomal miRNAs from stem cells can help improve skin health and delay aging.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Twist2 is essential for scarless skin healing and hair growth in mouse fetuses.

Hair follicle regeneration needs special conditions and young cells.

Mesenchymal stem cells show promise for treating various skin conditions and may help regenerate hair.

When skin blisters, healing the wound is more important than growing hair, and certain stem cells mainly fix the blisters without helping hair growth.

Eicosanoids are crucial for skin health, and targeting their pathways may help treat skin conditions.

A new drug delivery system using oil body-bound oleosin-rhFGF-10 improves wound healing and hair growth in mice.

Advanced therapies like gene, cell, and tissue engineering show promise for hair regrowth in alopecia, but their safety and effectiveness need more verification.

Adult skin cell-based early-stage skin substitutes improve wound healing and hair growth in mice.

Skin stem cells can help improve skin repair and regeneration.

Skin healing from blisters can delay hair growth as stem cells focus on repairing skin over developing hair.

Thyroid hormones are important for skin health and might help treat skin diseases, but more research is needed to understand their effects fully.

Hair and skin healing involve complex cell interactions controlled by specific molecules and pathways, and hair follicle cells can help repair skin wounds.

Chemotherapy drugs can cause abnormal growth and changes in healthy skin and gland cells.

3D bioprinting could improve skin repair and treat conditions like vitiligo and alopecia by precisely placing cells.

Certain fats in the skin help control inflammation and health, and changing these fats through diet or supplements might treat skin inflammation.

Bioprinting could improve wound healing but needs more development to match real skin.

Using skin stem cells and certain molecules might lead to scar-free skin healing.

CD4+ skin cells may be precursors to basal cell carcinoma.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.

New materials and methods could improve skin healing and reduce scarring.