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The CO₂ laser is better for hair transplantation because it causes less damage than the Ho:YAG laser.

Fusion proteins can protect hair from heat damage.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.

Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.

Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.

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.

Lasers in hair transplantation may have potential but require caution due to possible damage and reduced graft survival.

Newer skin resurfacing lasers reduce damage and scarring, with some approved for safe use and minimal side effects.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.

Heat damages hair, with Asian hair losing more protein than Caucasian hair.

Nano-Pulse Stimulation™ Therapy is more effective and less damaging than cryoablation for treating melanoma tumors in mice.

Higher power CO2 laser causes more severe skin burns and damage.

Skin can be cooled quickly and safely during laser treatments to protect it without affecting deeper layers.

UV radiation and visible light can damage hair, but there are ways to protect it.

Light affects skin health, aging, and cancer risk, and new light-based treatments and imaging are promising for skin care.

Explosions don't stop hair proteins from being used to identify people.

Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.

Plasma-activated liquid can kill harmful cells, speed up wound healing, and potentially treat cancer without damaging healthy cells.

Photobiomodulation therapy helps manage cancer treatment side effects but needs more research for optimization.

The erbium:YAG laser is a better, safer, and faster method for scalp surgery than the traditional method.

Cold air and a chilled sapphire window both protect the skin during laser treatments, and work better with water or gel, especially for darker skin.

Hair transplantation, especially follicular unit micrografting, was the top treatment for male pattern baldness, with a focus on natural results and ongoing improvements in both surgical and medical management.

Multi-pass laser skin treatments improved healing, reduced pain, and had no major complications.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Removing the outer skin layer increases drug absorption and offers non-invasive treatment options, with some methods allowing for quick skin recovery.

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

Laser hair transplantation can be effective but should be limited to small areas and requires more training to ensure safety and effectiveness.