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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.

Enzymes called PADIs play a key role in hair growth and loss.

Dentin sialoprotein and phosphophoryn are present in rodent hair follicles and may help hair growth and development.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Bone marrow stem cells and their medium help hair regrowth.

Regulatory T cells help heal skin and grow hair, and their absence can lead to healing issues and hair loss.

The document concludes that various signaling pathways and genetic factors are crucial for chicken feather development, affecting poultry quality.

Researchers found genes that may explain why some pigs grow winter hair, which could help breed cold-resistant pigs.

Obesity can worsen wound healing by negatively affecting the function of stem cells in fat tissue.

Cannabinoids like CBD and THC may help treat non-cancer skin diseases, but more research is needed.

Researchers found a way to grow cashmere goat hair cells in a lab and discovered that certain conditions improve these cells' growth and characteristics.

Human hair loss may have evolved to help increase brain size.

Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.

Two mutations in KRT74 and EDAR genes cause sheep to have finer wool.

People with hair loss conditions may also have thyroid disorders, but more research is needed to understand the connection.

Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.

Uterine leiomyomas don't significantly change gene expression in the scalp of people with Central Centrifugal Cicatricial Alopecia.

Acne is strongly linked to high BMI, hair loss, menstrual issues, family history, and eating too many sweets and fatty foods, but not to excessive hair growth.

Hemp is a promising ingredient for skin products due to its healing and soothing properties.

The research identifies genes linked to wool quality in sheep and provides insights to improve wool production.

Surfactants damage hair, but sealing the cuticle can prevent this.

Cannabinoids might help treat skin problems but more research is needed to be sure.

Fasting in hens affects thyroid hormones, which regulate feather and hair growth.

A new goat gene affects cashmere fiber thickness; certain variations can make the fibers coarser.

High levels of ERK activity are key for tissue regeneration in spiny mice, and activating ERK can potentially redirect scar-forming healing towards regenerative healing in mammals.

Fermented papaya and mangosteen in hair care products helped prevent hair loss and improve hair thickness.

New treatments for hair loss from alopecia areata may include targeting immune cells, using stem cells, balancing gut bacteria, applying fatty acids, and using JAK inhibitors.

PBMCsec can help reduce and improve thick skin scars.

The new microwell device helps grow more hair stem cells that can regenerate hair.

Annurca apple extract improved hair growth in mice and could potentially prevent hair loss.