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Forensic hair analysis for drugs is now more reliable and accurate.

Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.

Adrenalectomy boosts hair growth and melanin in black rats, even with vitamin B¹ deficiency.

Finasteride reverses early hair loss and promotes growth.

The conclusion is that accurate diagnosis of different types of hair loss requires careful examination of tissue samples and understanding of clinical symptoms.

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

Cooling the scalp may prevent hair loss from chemotherapy, hair often grows back after treatment, and nail issues usually improve after stopping the drug.

Beard hair extraction improves scalp hair restoration results in East Asian men with severe hair loss.

Unsatisfactory hair restoration results can be significantly improved with strategic hair redistribution and new donor hair placement, despite previous surgery challenges.

Flap surgery is effective for treating male baldness, offering immediate results with dense hair growth.

Updated treatments for female hair loss include minoxidil, antiandrogens, hair transplants, and light therapy.

Frequent use of hair straighteners can cause hair loss similar to scarring alopecia in young Turkish women.

Hair transplantation has evolved to refined techniques like FUE and FUT, with Finasteride and Minoxidil as the only other proven treatments for hair loss.

The document concludes that careful planning, efficient use of every hair graft, and setting surgical priorities are crucial for successful hair restoration surgery.

Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.

Using 448-kHz Capacitive-Resistive Electrothermal Therapy can help increase hair density and prevent hair loss in women.

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

Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.

Permanent waving weakens hair by altering its protein structure.

Peptide hydrogel scaffolds help grow new hair follicles using stem cells.

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.

Crataegus pinnatifida extract may help increase hair growth and thickness in mice.

Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.

FPHL causes hair loss in women due to genetics and hormones; minoxidil and anti-androgens are treatments, and early intervention is advised.

EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.

Deer antler velvet serum helps hair grow and is safe for skin.

A low-power, fast laser safely reduces hair with minimal pain and few side effects.

Heat damages hair, with Asian hair losing more protein than Caucasian hair.