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The document summarizes the latest trends and advancements in cosmetic dermatology.

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.

Combining topical dutasteride with microneedling is more effective for hair growth than microneedling alone.

The document concludes that better targeted treatments are needed for wound healing, and single-cell technologies may improve cell-based therapies.

Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.

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

Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.

Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.

The peptide GHK-Cu helps heal and remodel tissue, improves skin and hair health, and has potential for treating age-related inflammatory diseases.

Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Skin problems are very common in people with systemic lupus erythematosus and important for diagnosis.

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.

Minoxidil and finasteride can slow hair loss and stimulate regrowth, but won't restore all lost hair or reverse complete baldness.

Skin's Regulatory T cells are crucial for maintaining skin health and could be targeted to treat immune-related skin diseases and cancer.

Green tea component EGCG could potentially promote human hair growth.

Fullerenes show potential in skin care but need more safety research.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Trichoscopy is a useful, non-invasive way to diagnose different types of hair loss.

Low-level laser therapy might help hair growth, but more research is needed.

Older adults have a high rate of skin cancers like basal cell carcinoma and melanoma, mainly due to UV exposure and age.

Treatments for melanin disorders exist, but more effective options needed.

Nearly half of the French individuals surveyed reported having a sensitive scalp, more common in women, often linked to hair loss and symptoms like itching, and triggered by factors including shampoos and pollution.

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

Mesenchymal stem cells show potential for skin healing and anti-aging, but more research is needed for safe use, especially regarding stem cells from induced pluripotent sources.

After menopause, women lose a lot of skin collagen, but estrogen replacement might improve skin health.

Minoxidil and finasteride treat hair loss; more research needed for other options.

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

We don't fully understand how sunlight damages different types of hair.