Deep FX CO2 laser: what to know

CO2 laser energy removes or heats precisely controlled areas of the skin. In a fractional pattern, untreated skin remains between treated columns, which can support the repair process. The depth and density are adjusted to the concern, location, skin type, and recovery tolerance. Treatment may be considered for uneven texture, selected acne scars, fine lines, or sun-related changes. It is not a single setting or a universal treatment; the term Deep FX describes a treatment approach within the broader [CO2 Laser](/technology/co2-laser/) category.

Because the skin barrier is deliberately disrupted, redness, warmth, swelling, crusting, and peeling can occur during recovery. Darker or recently tanned skin may have a higher risk of pigment change, so a clinician should review skin tone, tanning, history of pigmentation, cold sores, and medicines before treatment.

Before treatment, follow the clinic’s instructions about sun avoidance, skincare products, and any prescribed preparation. Tell the clinician about active acne, eczema, infection, cold-sore history, medicines, and previous scars. Afterward, use only the recommended cleanser, ointment, and sunscreen; do not pick flakes or crusts. Keep treated skin protected from sun and heat while it heals. Recovery differs with treatment depth and area. Learn more about [CO2 Laser Resurfacing](/treatments/laser-and-energy/co2-laser-resurfacing/) and [Laser Skin Resurfacing](/treatments/laser-and-energy/laser-skin-resurfacing/).

Contact the treating clinic if pain, swelling, redness, drainage, or blistering is worsening rather than settling, or if you develop fever or spreading warmth. Prompt assessment is also needed for eye pain, light sensitivity, vision change, or difficulty opening the eye after treatment near the eyelids. Do not restart active products or conceal the area until the clinician confirms the skin barrier is ready.

Ask which concern the laser can realistically improve, what settings and number of sessions may be appropriate, how your skin tone affects pigment risk, and what downtime to plan for. Clarify pain control, wound care, sun protection, antiviral precautions when relevant, and the signs of infection or delayed healing.