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The study found that white hair in vitiligo has specific patterns and structures, which vary with the stage of the disease and may be similar to another hair condition.

Lipids in Japanese hair help maintain glossiness and structure.

Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.

Trichoscopy is a quick and easy way to diagnose most genetic hair problems without invasive methods.

Dermatologists need to know about cosmetics to help patients with skin issues and recommend safe products.

Macroalgae compounds offer sustainable, effective benefits for cosmetics.

Silicone pretreatment protects hair from damage and reduces color fading without interfering with bleaching or dyeing.

Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.

Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.

Hair bleaching causes significant damage to hair and skin.

The torsional method effectively evaluates hair damage and the performance of hair care ingredients.

Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.

Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.

Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.

Curly hair breaks due to mechanical damage and environmental factors, not chemical makeup, and needs ongoing care to prevent breakage.

Hydrogenated palm oil repairs and conditions damaged hair by preventing swelling.

Hair care products mainly work on the hair's surface and need professional guidance for use.

Melanin in black hair protects it from sun damage better than light-brown hair.

Frequent hair dye use caused significant hair and skin damage and affected the dogs' behavior.

Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.

Human hair's strength and flexibility vary by ethnicity, damage, and treatment.

Bleaching hair causes significant damage by breaking down proteins and fatty acids.

The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

Sunlight and chemical treatments change hair's internal structure differently, needing specific care.

Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.

Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.

Onion and Aloe vera can help protect hair from damage caused by hair dyes.

The research improved understanding of hair and skin properties across different ethnicities and conditions.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.