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Non-invasive swabbing is as effective as cutting hair for collecting scalp hair bacteria.

Hair transplant surgery reduces scalp sensitivity by almost 40%, and smokers have less scalp sensitivity than non-smokers. The time since surgery doesn't significantly affect this.

Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.

Combination therapies work better than single treatments for atrophic acne scars.

Exosomes show promise for tissue repair and regeneration with advantages over traditional cell therapies.

The prolactin gene polymorphism doesn't affect cashmere quality in these goats.

Hair grafts successfully restored a realistic beard and hid scars, satisfying the patient.

A new scalp surgery technique leads to significantly thinner scars.

Choosing hair follicles at the same growth stage leads to more consistent hair growth experiments.

Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.

VEGF helps hair grow and determines follicle size by increasing blood vessel growth.

Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.

Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.

FPHL affects hair density and diameter, causing visible hair loss in older women.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

Noggin is necessary to start the hair growth phase in skin after birth.

The Multi-Organ-Chip improves the growth and quality of skin and hair in the lab, potentially replacing animal testing.

Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Exosomes could potentially enhance tissue repair and regeneration with lower rejection risk and easier production than live cell therapies.

Probiotic bacteria improved skin and hair health in aged mice.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

No effective treatment for frontal fibrosing alopecia was found, but oral 5-alpha-reductase inhibitors had the best response; for lichen planopilaris, topical corticosteroids were commonly used but had a high relapse rate.

Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.

ICG-enhanced NIR laser therapy may be a promising acne treatment with improvement and no side effects.

Traction alopecia is more common in African women than girls, especially when traction is applied to chemically relaxed hair; avoiding such hairstyles may reduce the risk.

Prolactin affects hair growth cycles and can cause early hair follicle regression.

EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.

Best hair growth results from combining finasteride and minoxidil.