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

A new method allows for controlled, long-lasting delivery of retinoic acid through the skin with fewer side effects.

Stem cells from umbilical cords can help regrow hair in mice with hair loss.

The protein interleukin-1 alpha helps regenerate hair follicles and increase stem cell growth in mice.

The new hair graft device is faster, more efficient, and reduces damage to hair follicles.

Rosehip Seed Oil may help hair grow by activating important growth pathways and increasing hair follicle size in mice.

Melatonin could be an effective treatment for Alzheimer's Disease and rosacea.

Ultra-high-frequency ultrasound effectively evaluates the impact of hyaluronic acid fillers in reducing nasolabial fold wrinkles over time.

Activating the Sonic hedgehog gene in mice can start the hair growth phase.

Nanoparticles may improve caffeine delivery for hair growth, offering a potential alternative to minoxidil for hair loss treatment.

Paeonia lactiflora and Poria cocos extracts can potentially increase hair growth and reduce hair loss symptoms by lowering testosterone and inflammation levels.

Autologous platelet concentrates show promise in esthetic treatments but need more standardized research.

Adult mice with CBS deficiency show minimal health issues and normal lifespan despite high homocysteine levels.

Caffeine improves hair growth, thickness, and reduces shedding.

Stronger corticosteroids cause more skin damage in hairless dogs, similar to effects in humans.

Lasers, microneedling, and PRP improve skin rejuvenation and repair, with PRP enhancing the effects when combined with other treatments.

Current therapies cannot fully regenerate adult skin without scars; more research is needed for scar-free healing.

Skin aging reflects overall body aging and can indicate internal health conditions.

The document concludes that skin aging in women can be caused by UV exposure and hormonal changes, and treatments like hormone replacement therapy and various skin therapies can help.

Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.

Menopause can lead to skin and hair problems due to hormonal changes, but hormone replacement therapy might help slow these effects.

Obesity is linked to various skin problems and may increase the risk of skin cancer.

Hormone imbalances can cause specific skin changes, which may help in early detection of endocrine disorders.

Advancements in creating skin grafts with biomaterials and stem cells are promising, but more research is needed for clinical application.

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

Menopause affects hair and skin; more research needed for treatment.

SCF and ET-1 together significantly increase skin pigmentation and melanin production.

Researchers created better skin-application menthol capsules that are stable, safe, and penetrate the skin quickly.

Microneedling is a safe and effective way to improve various skin conditions with minimal side effects.

Non-invasive methods show promise for diagnosing skin diseases like psoriasis and lupus but need more research for regular use.