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

Inhibiting AP1 in mice skin causes structural changes and weakens the skin barrier.

Topical glucocorticoids thin the skin and change collagen structure.

Permanent waving weakens hair by altering its protein structure.

Older thin hair is not just thinner but also has different shape, structure, and stiffness.

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.

Heating hair proteins changes their structure and may improve their blood clotting ability.

Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.

Osthole inhibits the TRPV3 channel by binding to specific sites, potentially aiding drug development for skin diseases and cancers.

Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.

Skin thickness decreases and structural changes occur with both ageing and sun exposure in certain skin types.

Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.

Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.

The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.

Scientists used a special imaging technique to observe that hair follicle regeneration involves cell division and structural changes, mostly in the lower part of the follicle, and that the dermal papilla at the base is crucial for regrowth.

Bimatoprost eye drops make rabbit eyelashes longer, thicker, and darker, and increase the number of lashes without causing inflammation.

The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.

Pigs without the Hairless gene showed skin and thymus changes, useful for studying human hair disorders.

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

Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.

Bleaching hair changes its structure and weakens it, which is important for understanding hair damage and creating treatments.

Intermittent isotretinoin can cause various skin, hair, and nail changes.

Changes in keratin make hair follicles stiffer.

Pregnancy can cause various skin changes, including pigmentation, acne, and stretch marks, and may affect preexisting skin conditions.

Sensory neuron remodeling and Merkel-cell changes happen independently during skin maintenance.

Touch sensitivity in mouse skin decreases during hair growth due to changes in touch receptors.

A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.

FGF9 controls which receptors it binds to through a process where two FGF9 molecules join, and changes in FGF9 can lead to incorrect receptor activation.