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Lasers are FDA-approved for permanent hair reduction, not removal, and more research is needed to improve treatments.

Proretinal nanoparticles are a safe and effective way to deliver retinal to the skin.

The Erbium YAG laser is effective in hair restoration, resulting in high yield and density, but it's not recommended for second replacements or those with good-quality hair.

The document does not conclude the effectiveness of the 800-nm pulsed-diode laser for treating scalp cellulitis.

The study created a tool that mimics natural cell signals, which increased cell growth and could help with hair regeneration research.

Fibroblast state switching is crucial for skin healing and development.

Pulsed infrared laser can effectively reduce symptoms of pseudofolliculitis barbae.

Laser hair removal is popular for long-term hair reduction but carries risks, requiring well-trained operators and better regulations, especially in South Africa.

Both lasers are equally effective and safe for treating freckles.

Diamond nanoparticles can penetrate skin and reach hair follicles, useful for imaging applications.

Piezoelectric Nanogenerators are promising for non-invasive health monitoring but need efficiency and durability improvements.

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

Light/laser therapy can effectively increase hair density in some types of alopecia, especially androgenic alopecia and alopecia areata.

Follow these guidelines to safely and effectively use energy-based devices in aesthetic treatments.

The 1565 nm non-ablative fractional laser is more effective and satisfying than 5% minoxidil for treating hair loss.

Long-hair follicular unit excision improves hairline restoration results and patient satisfaction.

New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.

Sensory neuron changes and Merkel-cell changes in the skin happen independently during normal skin maintenance.

Sensory neuron remodeling and Merkel-cell changes in the skin happen independently.

Sensory neuron remodeling and Merkel-cell changes happen independently during skin maintenance.

Sensory neuron and Merkel-cell changes in the skin happen independently during normal skin maintenance.

Sensory neuron and Merkel cell changes in the skin happen independently during normal skin maintenance.

Sensory neurons and Merkel cells remodel at different rates during normal skin maintenance.

Sensory neuron and Merkel cell changes in the skin happen independently during normal skin maintenance.

Hair loss due to scarring can be treated by reducing inflammation, removing scar tissue, and transplanting hair. The Follicular Unit Extraction technique is effective but requires skill and time. Future focus should be on scar-less healing methods.

Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.

Plant cell culture is a promising method for creating sustainable and high-quality cosmetic ingredients.

Skin aging is caused by stem cell damage and can potentially be delayed with treatments like antioxidants and stem cell therapy.

Zebrafish need MYC and FGF to regenerate inner ear hair cells.