Why One Laser Cannot Do Everything
Every laser is defined by what absorbs its light: blood, pigment or water. Why that makes devices non-interchangeable, what pulse duration changes, and what to ask when a practice names its machine.
Category: Inside the Machines
What a Laser Actually Does to a Blood Vessel
A vascular laser heats the blood inside a vessel until the wall is damaged from within, and the body clears the rest over weeks. Why the result is gradual, why bruising happens, and why…
The Treatment That Does Not Care What Colour You Are
Radiofrequency heats tissue by electrical resistance rather than light absorption, which removes the constraint that limits laser safety in darker skin. What that buys, what it costs, and what to expect at three months.
The Idea That Made Resurfacing Survivable
Full resurfacing worked and nobody could face two weeks of open wound. The 2004 idea of treating the skin in microscopic columns, why it heals in days, and the trade it asks for in…
