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Tight hairstyles, especially on chemically treated hair, can cause reversible hair loss if caught early but may become permanent if not addressed.

Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.

The wolves suspected of man-eating in the 1880s likely ate very little human flesh and mostly consumed a diet similar to herbivores and omnivores.

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

Certain treatments can increase protein binding to natural hair but are less effective on permed hair.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.

Dovobet ointment used overnight effectively reduces scalp psoriasis severity and itch.

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

Hinokitiol in cationic vesicles promotes hair growth better due to higher skin retention.

Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.

Minoxidil-containing vesicles improve hair growth.

Dermatologists need to understand hair products to treat hair and scalp issues better.

Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.

Effective hair loss treatment in women requires correct diagnosis and can include medications like minoxidil, antiandrogens, and treatments for underlying conditions like PCOS.

The document concludes that accurate diagnosis of hair disorders is crucial and requires a range of diagnostic methods.

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

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

Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.

HHORSC exosomes and PL improve hair growth treatment outcomes.

The document concludes that hair loss is influenced by genetics and other factors, and while treatments like finasteride can help, they have limitations and side effects.

Different countries have regulations to ensure the safety of hair care products, with some recalling hair straighteners due to high formaldehyde.

Shampoos with more than 0.6% of cationic minoxidil particles can promote hair growth.

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

The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.

Water quality affects mineral content in hair, and coconut oil can protect against damage.

The review explains how hair products work and the science of different hair types to help improve hair care research.

A woman got severe scalp burns from a salon's improper hair bleaching treatment.

The modified wash test is better than TrichoScan® for diagnosing hair loss.

Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.