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Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.

Root hairs help us understand plant growth and the role of the actin cytoskeleton.

Curly wool has more orthocortex than straight wool.

Goat neck skin has a complex network of collagen, elastic, and reticular fibers.

Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.

Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.

Malva verticillata seed extract might help treat hair loss by activating hair growth signals in skin cells.

Mesotherapy for hair loss lacks evidence of effectiveness and safety and should not be used without further scientific support.

Active transdermal technologies in cosmetics help deliver skin treatments effectively, but their safety and effectiveness depend on skin type and treatment choice.

Minoxidil promotes hair regrowth in early baldness stages and prevents baldness in non-bald scalps.

Liposomes improve the delivery and effectiveness of cosmetic ingredients but face challenges like cost and stability.

Cosmetic surgery is more popular and cost-effective, but outcomes depend on the surgeon's skill and all procedures have potential complications.

Hair restoration techniques have improved but still rely on limited donor hair, with new methods like cloning and gene therapy being explored.

Mammals can regenerate new hair follicles from skin stem cells.

2011 dermatological research found new skin aging markers, hair loss causes, skin defense mechanisms, and potential for new treatments.

Rosemary is effective for hair and skin health due to its anti-inflammatory and antioxidant properties.

A 77-year-old woman with hair loss had high testosterone and 17OH-progesterone levels, but no significant findings on imaging.

Thymosin beta 4 protects cells from damage by blocking a harmful microRNA and boosting a protective gene.

Obese people are more likely to have certain skin conditions like dark patches, stretch marks, skin tags, and bumpy skin.

Glycoconjugate sugars are important for hair follicle development.

Animal fibers are valued for being natural and eco-friendly, but face challenges like price volatility and a focus on meat over fiber.

IL-17-producing γδ T cells help improve bone healing.

Microtechnology methods improve organoid production for medical research.

Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.

Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.

Keratin expression reflects cell organization and differentiation, not causes it.

Minoxidil treats hair loss, promotes growth, has side effects, and has recent patents.

Bioprinting could improve wound healing but needs more development to match real skin.

Hair follicle patterns form through a mix of self-organization and signaling interactions.