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Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.

Nanotechnology in dermatology shows promise for better drug delivery and treatment effectiveness but requires more safety research.

The balance between androgen receptor and p53 is crucial for sebaceous gland differentiation.

Certain signals and genes play a key role in hair growth and regeneration, and understanding these could lead to new treatments for skin regeneration.

High doses of cyproterone acetate increase the risk of brain tumors in women, but the risk decreases after stopping the medication.

Researchers found 71 genetic regions linked to male pattern baldness, which account for 38% of its genetic risk.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

Improving the environment and cell interactions is key for creating human hair in the lab.

Hair can regrow after certain stem cells are lost because other stem cells can take over their role.

Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.

MicroRNAs are crucial for controlling skin development and healing by regulating genes.

Liposomes improve finasteride delivery for hair loss treatment, making it a promising option for topical use.

Research on epidermal stem cells has advanced significantly, showing promise for improved clinical therapies.

Activating β-catenin in different skin stem cells causes various types of hair growth and skin tumors.

Keratins are important for skin cell health and their problems can cause diseases.

miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.

Human hair's ability to get wet is complex and can change with treatments, damage, and environment.

The document concludes that while there are promising methods to control CRISPR/Cas9 gene editing, more research is needed to overcome challenges related to safety and effectiveness for clinical use.

BLIMP1 is essential for skin maintenance but not for defining sebaceous gland progenitors.

Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.

Different skin stem cells help heal wounds, with hair follicle cells becoming more important over time.

Premature graying of hair may suggest health issues and currently lacks effective treatments.

The LRRK2-G2019S mutation in Parkinson's disease has a lifetime penetrance of 25-35%, and finasteride may help reduce symptoms in adult male Tourette syndrome patients.

Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.

Lung repair involves both dedicated and flexible stem cells, important for developing new treatments.

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.

Finasteride reduces Tourette syndrome symptoms, but results may be limited due to potential biases.

New understanding of the causes of primary cicatricial alopecia has led to better diagnosis and potential new treatments.

Captopril reduces heart mass, while minoxidil has opposite effects and side effects.

Genetic variations affecting skin structure play a key role in severe acne.