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Black women's unique hair characteristics and styling practices can lead to specific scalp conditions, which require early diagnosis and appropriate treatment.

The conclusion is that proper evaluation and treatment of hair loss in midlife women is important, considering the emotional impact and potential for various treatments.

Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.

New eco-friendly method strengthens and sets hair using light and causes less damage.

Companies agreed to stop making false health claims about their products.

Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.

Rice derivatives in conditioners protect and improve hair health.

Shampoos are designed to clean and improve hair and scalp health, with specific ingredients for different hair types and conditions.

The U.S. FDA regulates cosmetics for appearance purposes, but not as strictly as some other countries.

Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.

Hair and nails are skin parts that develop early and serve protective and functional roles.

Lower hair copper and copper-to-zinc ratio are linked to more severe coronary artery disease.

Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

Avoid chemical and physical damage to protect hair.

Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.

Fermented papaya and mangosteen in hair care products helped prevent hair loss and improve hair thickness.

A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.

Liposome-encapsulated thioglycolic acid improves hair perming effectiveness and durability.

CMADK reduces hair damage from bleaching and permanent waving.

Hair structure changes immediately during perm treatment, with initial damage partially restored later.

Permanent waving weakens hair by altering its protein structure.

Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.

Activating TERT in mice skin boosts hair growth by waking up hair follicle stem cells.

Improper use of ceramic flat irons can cause severe hair damage.

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

Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.

Surface and internal treatments can help prevent hair lipid loss during washing.

Hair fiber research combines multiple sciences to improve hair care products.

Chemical treatments and daily stresses damage hair, especially the cuticle layer.

Body hairs can be used in forensic science and toxicology like scalp hair.