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Skin heals with scars because only one type of fibroblast is used, not a mix.

Spin traps like PBN could protect skin from pollution and sunlight in cosmetics but need more research for safe use.

Deeper microneedling boosts hair growth, with 0.6mm needles and minoxidil being most effective.

Microneedling radiofrequency significantly improves hair growth with minimal side effects.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

Fibroblasts, cells usually linked to tissue repair, also help regenerate various organs and their ability decreases with age. Turning adult fibroblasts back to a younger state could be a new treatment approach.

UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.

Lactate production is important for activating hair growth stem cells.

Home-use microneedle devices might safely boost 5% minoxidil's effectiveness for hair growth.

Stem cells and their exosomes show promise for repairing tissues and healing wounds when delivered effectively, but more research is needed on their tracking and optimal use.

Wnt10b makes hair follicles bigger, but DKK1 can reverse this effect.

Autologous platelet concentrates show promise in esthetic treatments but need more standardized research.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Scalp microneedling may improve hair density and thickness for various alopecia types.

The study found that expanded skin regenerates similarly to normal skin, with 77 genes playing a role in the process.

Cell-based therapies using dermal papilla cells and adipocyte lineage cells show potential for hair regeneration.

Collagen from tilapia scales may improve hair and skin health by reducing stress and inflammation and encouraging hair growth.

Advanced human skin models improve drug development and could replace animal testing.

Different types of fibroblasts play various roles in diseases and healing, and more research on them could improve treatments.

Exosomes show promise for improving wound healing, reducing aging signs, preventing hair loss, and lightening skin but require more research and better production methods.

Muscles and nerves that cause goosebumps also help control hair growth.

Hair follicles on the scalp interact with and respond to the nervous system, influencing their own behavior and growth.

Stem cells from hair follicles in a special gel show strong potential for bone regeneration.

Skin stem cells interacting with their environment is crucial for maintaining and regenerating skin and hair, and understanding this can help develop new treatments for skin and hair disorders.

Improving the environment and cell interactions is key for creating human hair in the lab.

Hair follicle regeneration possible, more research needed.

Created material boosts hair growth and kills bacteria for wound healing.

The skin's dermal layer contains true stem cells with diverse functions and interactions that need more research to fully understand.

The combined treatment for hair loss is effective, easy to use, and has mild side effects.

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.