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

Direct heat perms cause more damage to hair than softening heat perms.

Herbal extract shampoo increased certain minerals in hair and improved hair growth and scalp health.

Darker hair colors may increase the risk of alopecia areata, while lighter hair colors may decrease it.

Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.

Hair loss is common in lupus patients and can be permanent or reversible, depending on the type, with various treatments available.

Chemotherapy causes hair loss starting soon after treatment begins and recovers about 3 months after ending, while tamoxifen does not significantly affect hair growth.

CE-PTG detects early hair follicle issues in balding areas, helping measure male hair loss.

Chemical treatments severely damage hair cuticles, especially in previously treated hair.

Hair growth slows and shedding increases after childbirth, but most women don't experience excessive hair loss.

Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.

Finasteride increases hair weight and count in men with hair loss.

Educational efforts can reduce harmful chemical exposure from hair products in pregnant Women of Color.

Women over forty can maintain skin and hair health with lifestyle and dietary changes.

Hair analysis can reveal metabolic changes and potential pregnancy complications.

Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.

Transplanted hair follicles show significant changes after FUE, needing more research.

Too much or too little selenium in the diet can cause hair loss and graying in mice.

Non-ionic silicone emulsion best protects hair color from sunlight.

Early treatment helps stop hair loss in women of color.

Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.

Biotin supplementation during isotretinoin treatment for acne may help maintain skin hydration and improve hair growth.

More research is needed to understand hair and scalp disorders in people with skin of color.

No conclusion was reached on how hair growth varies with blood groups.

The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.

COVID-19 protective measures led to skin irritation, hair loss, and brittle nails; using skin-friendly products and a healthy diet is recommended.

Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.

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.

The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.

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.