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Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.

Spironolactone treatment increases the amount of testosterone available in the body.

Finasteride effectively blocks rat enzymes, but with varying methods and strength.

Finasteride for hair loss may cause persistent sexual symptoms, depression, anxiety, and lower quality of life.

Microneedle arrays with nanotechnology show promise for painless drug delivery through the skin but need more research on safety and effectiveness.

pH, calcium, and reactive oxygen species regulate plant cell growth, with key roles for NADPH oxidases and plasma membrane H+-ATPases.

Calcium is important for stem cell function and maintenance, especially in blood and skin cells.

Particle properties affect drug retention and release in minoxidil foams, with lipid nanoparticles having higher loading capacity.

A method was created in 2005 to identify minoxidil, a hair growth ingredient, in products using two types of capillary zone electrophoresis, and it found that most products had about 2% minoxidil.

Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.

A dog fully recovered from minoxidil poisoning after receiving treatment.

The study found that baicalin has different stable shapes in gas and water, with two shapes better for interacting with positive charges in water.

The document reports findings on genetic research, including ethical concerns about genome editing, improved diagnosis of mitochondrial mutations, solving inherited eye diseases, confirming gene roles in epilepsy, linking a gene to aneurysms, and identifying genes associated with age-related macular degeneration.

The research provides insights into hair follicle growth in forest musk deer by identifying key genes and pathways involved.

Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.

Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.

Nanocarriers like liposomes and cyclodextrins improve how angiotensin-(1-7) is delivered in the body.

Curcumin can be effectively loaded into polystyrene nanoparticles, which are safe for human cells and more biocompatible with curcumin inside.

Gallic acid and ferulic acid can be sustainably extracted for hair supplements with high efficiency and stability.

Androgens like testosterone may help treat traumatic brain injury by reducing mitochondrial stress and inflammation.

Human hair-derived particles can effectively carry and release the cancer drug Paclitaxel in a pH-sensitive manner, potentially targeting cancer cells while sparing healthy ones.

Autophagy prevents early aging and maintains lipid and pheromone balance in mouse glands.

Finasteride-loaded nanogels are effective, safe, and improve drug absorption through the skin.

Human hair keratin might be good for filtering out harmful substances from water.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

Products should be called 'sperm-safe' only after thorough, well-designed tests.

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.

Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.

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