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Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.

Some hair protein genes evolved early and were adapted for use in hair follicles.

The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.

Hair follicle culture helps study hair growth but has limitations in modeling the full hair cycle.

Propionibacterium acnes might be linked to hair casts and possibly alopecia.

Naked hair shafts are significantly associated with scarring hair loss and may help diagnose it, especially when multiple are found.

Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.

Ephrins slow down skin and hair follicle cell growth.

Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.

Splitting one hair follicle into two can help regrow hair with a 50% to 70% success rate, useful when donor hair is limited.

The document concludes that there are various causes and treatments for hair loss, with hair transplantation being a notable option.

Female pattern hair loss diagnosed by scalp appearance, treated with combined therapies and targeted approaches.

Some patients with mycosis fungoides or Sézary syndrome experience hair loss, which may be similar to alopecia areata or linked to skin lesions, possibly due to abnormal T cells, and bexarotene can help treat it.

Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.

Tofacitinib nanoparticles can safely and effectively treat alopecia areata by targeting hair follicles.

A man with HIV had hair loss due to syphilis, which improved after penicillin treatment.

mTORC1 activity is important for hair growth and color, and targeting it could help treat hair loss and greying.

Most people worried about abnormal hair loss actually have psychological issues like depression or anxiety.

The article discusses how to fix bad results from hair restoration surgery, with different doctors suggesting methods like adding more grafts, moving transplanted hair, or using smaller grafts.

Early treatment of children's hair loss, which can be caused by various factors, is important due to its emotional impact.

Anti-IL-1 treatments might help with certain types of hair loss in people with high inflammation.

Blocking IL-1 could help treat some hair loss conditions; alopecia affects liver detox systems; spironolactone is better than finasteride for female hair growth; focusing on the catagen hair phase could lead to new alopecia treatments.

Latanoprost can make eyelashes longer, thicker, and darker.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.

S100A3 protein is crucial for hair shaft formation in mice.

Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.

The conclusion is that future hair loss treatments should target the root causes of hair thinning, not just promote hair growth.

Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.