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Natural products in cosmetics are beneficial for skin and hair care with low toxicity.

People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.

Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.

The Rotterdam Study found risk factors for elderly diseases, links between lifestyle and genetics with health conditions, and aimed to explore new areas like DNA methylation and sensory input effects on brain function.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

Lichen Planus is a less common condition affecting skin and mucous membranes, with various types and associated risk factors, challenging to diagnose, significantly impacts life quality, and may have a risk of cancerous changes in oral lesions.

Removing part of the vitamin D receptor stops vitamin D from working properly.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Finasteride doesn't effectively treat hair loss in postmenopausal women.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Dermatologists need to understand hair products to treat hair and scalp issues better.

Some herbal therapies may help with skin conditions, but more research is needed to confirm their safety and effectiveness.

Researchers created human hair follicles using a new method that could help treat hair loss.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

The document concludes that adenosine receptor agonists have potential for treating various conditions, but only a few are approved due to challenges like side effects and the need for selective activation.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

The document recommends using both clinical evaluation and various measurement methods to assess skin greasiness, considering factors like temperature and hormones.

PEVs improve minoxidil skin penetration, increasing hair growth.

Isotretinoin effectively treats severe acne and similar conditions, but has common, mostly reversible side effects, requiring careful patient monitoring.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Adult female acne treatment should be personalized, considering individual preferences and pregnancy, using various topical and oral medications while managing side effects and resistance.

Liposomes could improve how skin care products work but are costly and not very stable.

Giving a special protein to dogs with a certain genetic disease improved their symptoms but didn't help with hair growth.

Survivors of Stevens-Johnson syndrome/toxic epidermal necrolysis need ongoing care for various long-term health problems.

A cluster of sulfur-rich hair protein genes was found on chromosome 17.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.