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Hair color is determined by melanin types and gene activity.

Alopecia areata affects 1.2% to 2.3% of Australians, with many unaware of treatment options.

Ursolic and shikimic acid together boost hair growth better than alone.

Minoxidil helps hair regrowth and has anti-aging effects on hair follicles.

Stress causes hair loss by making the body produce cortisol, which stops hair cells from growing.

Hair transplantation is a treatment for hair loss mainly caused by genetics, with various techniques and potential complications, and results visible after 8-12 months.

Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.

Isotretinoin effectively treats severe acne but can affect blood and inflammation markers, posing risks for some people.

γδ T cells can prevent and treat alopecia areata, offering a new therapy option.

Tofacitinib is effective and safe for treating severe alopecia areata and related conditions.

Hair follicles in nonsegmental vitiligo are better protected from immune attacks than in alopecia areata.

An 8-year-old girl with vitiligo developed extra hair growth on her knee after using tacrolimus ointment.

Topical minoxidil helped an 8-year-old boy with a genetic hair disorder grow hair.

Baricitinib successfully regrew hair in an 8-year-old boy with alopecia totalis linked to a KRT74 gene variant.

6.1% of patients seeking PRP for hair loss had undiagnosed cicatricial alopecia, which PRP cannot treat.

About 13% of women had idiopathic hirsutism and 8.5% had polycystic ovary syndrome in a group of Iranian women.

A 1:3 ratio of virgin coconut oil to candlenut oil is best for promoting hair growth.

The 7.1% withdrawal rate was in the oral finasteride group, not the topical one.

Taking 1 mg finasteride for a year reduces dihydrotestosterone levels in men with early hair loss, but doesn't change their metabolic state.

Triamcinolone acetonide and betamethasone 1.75 mg/ml are both effective for treating alopecia areata.

Wait at least 8 weeks between hair dyeing for cuticle recovery.

An 800nm diode laser safely and effectively reduces hair for about 8 months, with most patients satisfied and few side effects.

Keeping the head elevated for 1.5 days after hair transplant surgery helps prevent facial swelling.

About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.

Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.

Helicobacter pylori infection is common in Southern Iraq gastritis patients, affecting 64.1%.

Using thigh skin, doctors successfully rebuilt a woman's scalp after removing a large tumor, with no tumor return after 8 months.

The most common causes of hair loss in children in South-East Nigeria are fungal infections and alopecia areata.

Polycystic Ovarian Syndrome is common in overweight urban college girls and may increase the risk of heart and metabolic problems.

Inflammatory skin conditions are the most common in Brazilian children, with atopic dermatitis being the top issue.