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

Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.

Aging makes hair thinner and rougher, with less clear edges.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Hair color is determined by different melanins and changes with age.

Electrostatic interactions mainly stabilize the binding of peptides to hair keratin.

Curly hair breaks more easily, especially with chemical treatments, but simpler grooming reduces breakage.

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

Proteins like BSA and keratin can effectively style hair and protect it, offering eco-friendly alternatives to chemical products.

Hair aging is inevitable, but using the right hair care products can help maintain hair health.

Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.

Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

Nanostructured lipid carriers can effectively repair hair split-ends for over 3 days.

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

Good nutrition may help prevent premature hair graying.

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

Shaving and avoiding brushing improved the patient's beard hair condition.

Protein hair straighteners damage the hair more than hair dyes.

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

Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

The wigs made from human hair and polypropylene were mostly well-tolerated and durable in rabbits, suggesting they could be a new option for people with extensive hair loss.

DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.

A new method helps understand hair shine and various products improve hair care.

NOC-4 extract promotes black hair and hair growth effectively.

Early treatment of children's hair loss, which can be caused by various factors, is important due to its emotional impact.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

CDP is crucial for lung and hair follicle cell development.