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

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

Prolactin and melatonin affect the growth of Angora and Cashmere goat hair differently.

Permanent hair waving uses chemicals to create long-lasting curls.

Keratin helps protect and strengthen hair, reducing damage and color fading.

Hair and wool have complex microscopic structures with microfibrils and varying cystine content.

Disrupting the FGF5 gene in rabbits leads to longer hair by extending the hair growth phase.

Human hair keratin scaffolds help repair injured muscles by breaking down and activating muscle cell growth.

The fibroin-based formulation strengthens and repairs chemically damaged hair.

Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.

The letter argues that blaming synthetic hair implants for scalp cancer based on one report is biased and possibly coincidental.

Best treatment for Frontal Fibrosing Alopecia is 5-alpha-reductase inhibitors and intralesional corticosteroids.

Grateloupia elliptica seaweed extract may promote hair growth by activating Wnt/β-catenin signaling and cell proliferation.

Pseudopelade is likely an independent disease due to its distinct features.

Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.

Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.

Genetic differences in sheep affect wool type, with fat and immune genes influencing hair traits.

Canine claws have complex structures with different keratin types, similar to hair and nails.

Triphasic Progressive is more effective against hair loss.

Sheep have 17 keratin genes, similar to humans, but with different expression patterns affecting wool and hair.

The harlequin ichthyosis mouse mutation causes thick skin and early death, resembling a human skin disorder.

Leukocyte-rich platelet-rich plasma is safe and can potentially help treat scarring hair loss.

Dirty dots are a common scalp finding in elderly women and can be washed away with shampoo.

The KRTAP13-3 gene affects wool fibre diameter variability in Chinese Tan sheep.

Shampoos should treat scalp issues while keeping hair soft and shiny.

Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.

Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.

Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.

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

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