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The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Shrunken heads retain some facial features and hair characteristics, allowing for limited individual identification.

Tying a knot can measure hair friction, useful for medical applications.

All evaluated shampoos meet Saudi standards.

The pomegranate-based herbal shampoo works well and is safe for daily use.

Bimatoprost eye drops make rabbit eyelashes longer, thicker, and darker, and increase the number of lashes without causing inflammation.

Mesotherapy shows promise for cellulite and facial rejuvenation but has mixed results for body sculpting and hair loss, with more research needed for safety and effectiveness.

Nanotechnology is improving drug delivery and targeting, with promising applications in cancer treatment, gene therapy, and cosmetics, but challenges remain in ensuring precise delivery and safety.

Doctors should use a detailed patient history and physical exam to diagnose joint pain, and consult a rheumatologist early for suspected autoimmune diseases.

Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.

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

Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.

New treatments for skin and hair disorders in women of color address unique biological differences and include specific acne medications, sunscreens, skin lighteners, and hair care adjustments.

Most skin changes during pregnancy are harmless and moles don't significantly change, but many women experience pigmentation changes due to hormones and sun exposure.

WS Biotin, a new form of D-Biotin, improves water solubility and shows potential for hair and skin care without being toxic at low levels.

Ethosomes improve black tea extract absorption in hair dye.

Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.

Exosomes show promise for improving wound healing, reducing aging signs, preventing hair loss, and lightening skin but require more research and better production methods.

Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.

Hair conditioners with argan oil or camellia oil improve the strength and color of bleached hair.

Experts discussed hair care, genetic hair defects, hair loss treatments, nail surgery, lupus treatments, skin infections, and cosmetic allergies.

Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.

K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.

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

Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.

The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.

Nanocarrier technology in cosmetics improves ingredient delivery and effectiveness while reducing side effects.

Hair sunscreens are important for maintaining hair's cosmetic value.

Frequent hair coloring and styling can damage hair and cause breakage or loss.