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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.

Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.

Cosmetic treatments after chlorination damage hair more than treatments before.

UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.

The book was the first to focus on the biophysical properties of hair.

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

Teratoma hair is similar to scalp hair but has a rougher surface and lower adhesive force.

Repeated hair dyeing significantly damages hair.

Formaldehyde damages curly hair more than glyoxylic acid.

Honey mixture improved damaged Asian hair, making it stronger, softer, and shinier.

Human hair keratin can be used in many medical applications.

The study found that certain conditioning compounds can penetrate hair and potentially improve its resistance to damage.

Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.

Human hair is complex and grows in cycles starting from embryonic life.

16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.

Scientists created a non-toxic, sugar-based hair product that can style hair without damage.

Diamond nanoparticles can penetrate skin and reach hair follicles, useful for imaging applications.

Inorganic-based biomaterials can quickly stop bleeding and help wounds heal, but they may cause issues like sharp ion release and pH changes.

Nanoparticles can enter the skin, potentially causing toxicity, especially in damaged skin.

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

Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.

Twisting hair weakens it, but strength can be recovered at low twist levels.

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

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

Minoxidil inside tiny particles can deliver more drug to hair follicles, potentially improving treatment for hair loss.

Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.

Human hair varies widely and should be classified by curl type rather than race.

Coconut oil makes hair stronger and more flexible than mineral oil.

AFM can diagnose hair disorders by revealing detailed hair surface changes.

Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.