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The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.

The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.

Laser and light treatments can effectively remove hair long-term.

Increasing ABC transporters in hair follicles may prevent chemotherapy-induced hair loss.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

Many elderly women experience unwanted facial hair and various hair loss conditions, with treatments available for each condition.

Detailed patient history and physical exams are crucial for diagnosing hair loss.

Graying hair happens due to aging and might be delayed by new treatments.

Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.

Body hair transplantation is an effective method for restoring hair in people with severe baldness and limited scalp donor hair.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

Hair gets thinner and grayer with age, and density decreases more in men on top and in women on top and back.

Hair color is determined by different melanins and changes with age.

CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.

Gene regulation could revolutionize hair color by altering pigmentation from within.

Green tea compound EGCG helps mink hair follicles grow by affecting certain cell growth pathways.

Laser hair removal is effective for dark hair but needs improvement for nonpigmented or fine hairs.

A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.

White hair has less lipid content and absorbs water differently than brown hair.

The patch assay can create mature hair follicles from human cells and may help in hair loss treatments.

Follicular unit transplant successfully repigmented vitiligo patch on upper lip.

Lasers in hair transplantation show promise but are not yet standard, with current methods causing some side effects and needles still being preferred for creating recipient sites.

Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.

Androgens can cause hair growth in some areas but hair loss on the scalp.

Both methods improve hair density and thickness; double-spin may be more effective.

Only skin melanocytes, not other types, can color hair in mice.

Fungal infection was the main cause of hair loss in Egyptian children studied.

Transplanting body hair helped repigment and treat a man's vitiligo.

Henna dye improves hair cuticle and thickness but effects vary by hair type and health.

Punch grafting treats vitiligo faster but can cause a cobblestone look, while follicular hair transplantation is slower but looks better and has no side effects.