What type of lasers are commonly used in aesthetic procedures?

The answer is correct because CO2 lasers, Nd:YAG lasers, and Er:YAG lasers are the most commonly utilized lasers in aesthetic procedures due to their specific properties and effectiveness in treating various skin conditions.

CO2 lasers are highly effective for resurfacing skin, which helps in reducing wrinkles, scars, and other skin imperfections by removing the outer layers of skin. This type of laser also stimulates collagen production, promoting smoother, tighter skin over time.

Nd:YAG lasers are versatile and can penetrate deeper into the skin. They are used for a range of applications, including hair removal, vascular lesions, and tattoo removal, owing to their ability to target specific chromophores within the skin without harming the surrounding tissues.

Er:YAG lasers are particularly effective for ablation. They are gentler on the skin compared to CO2 lasers, making them suitable for fine lines and irregularities while promoting faster healing. This laser's controlled penetration depth allows for precise treatment of superficial to mid-dermal layers.

In contrast, while the other options include lasers that have aesthetic applications, they are less prevalent in the context of common aesthetic procedures. For instance, Argon and Ruby lasers have more limited uses in modern aesthetics, and Helium lasers are not typically used