Fractional CO2 Laser Skin Resurfacing

Fractional CO2 laser treatment at DiVine Clinic delivers one of the most powerful skin resurfacing modalities available in non-surgical aesthetic medicine, using dual-mode laser technology that can target either skin rejuvenation (fractional mode) or precise growth removal (CO2 vapourisation mode). In fractional mode, the laser fires a grid of micro-beams that ablate microscopic columns of skin to a controlled depth, leaving surrounding tissue intact for rapid healing — this controlled injury stimulates significant new collagen formation and surface renewal, addressing wrinkles, skin laxity, enlarged pores, acne scars, and photoaged skin. In CO2 vapourisation mode, the laser removes individual skin lesions such as fibromas, xanthelasmas, and seborrhoeic keratoses by precisely evaporating tissue cell by cell. Anaesthetic cream is applied before treatment. A scab forms within 24 hours of fractional treatment and sheds over 7 days. Sun avoidance for 1–2 months is essential post-treatment.

Carbon dioxide (CO2) laser emits light at 10,600 nm — deep in the mid-infrared spectrum — which is strongly absorbed by water in tissue. Because all cells contain water, CO2 laser energy is absorbed and converted to steam at the point of contact, ablating (vaporising) the tissue in a highly controlled manner. At DiVine Clinic, the CO2 laser operates in two distinct modes used for different indications: **Mode 1 — Fractional ablative resurfacing:** The laser fires through a fractional scanning pattern, creating a matrix of micro-ablative columns (micro-treatment zones, MTZs) across the skin surface. Each MTZ is a column of ablated tissue approximately 100–200 microns in diameter and 200–800 microns deep, surrounded by unaffected tissue. The fraction of treated skin per pass typically covers 20–30% of the surface area, leaving 70–80% intact. This 'fractional' approach is what distinguishes modern ablative resurfacing from the original full-field CO2 laser resurfacing of the 1990s: the intact bridges of skin between MTZs dramatically accelerate healing (from 7–14 days to 5–7 days for the epidermis) while still delivering a significant collagen stimulus. *What fractional resurfacing achieves:* - Superficial wrinkle ablation — direct removal of wrinkled epidermal tissue - Mid-dermal collagen denaturation and remodelling — the heat diffusing from each MTZ denatures collagen in the surrounding dermis, which then contracts and triggers fibroblast-led neo-collagenesis - Acne scar depth reduction — particularly effective for atrophic, box-car, and rolling scars - Enlarged pore reduction — thermal remodelling of the follicular orifice and surrounding dermis - Epidermal renewal — post-treatment epidermis contains a higher density of normal keratinocytes, reducing dyspigmentation **Mode 2 — CO2 lesion vapourisation:** Using a focused spot mode, the CO2 laser removes individual raised skin lesions by precisely evaporating tissue in concentric layers. This is the most controlled method for removing benign skin growths without the risk of scarring from traditional surgical excision. Applications include: - Fibromas (soft fibromas, dermatofibromas) - Seborrhoeic keratoses - Xanthelasmas (cholesterol deposits on eyelid skin) - Milia (keratin cysts) - Warts (verrucae) - Keloid scar treatment (used carefully in combination with other modalities) - Small skin tags and cysts **Session protocol:** Anaesthetic cream is applied to the treatment zone for 45–60 minutes. The area is disinfected. The laser is applied in the programmed pattern (fractional) or as a precise spot (lesion removal). Immediately after, petroleum jelly is applied to protect the treated surface. A wound forms within 24 hours — scabs form at the micro-treatment zones in fractional treatments and dry crusts over lesion-removal sites. **Healing and downtime:** - Day 1: Redness, warmth, and swelling; scabs beginning to form - Days 2–4: Scabs and crusts fully formed; skin feels tight and dry - Days 5–7: Scabs begin to flake (do not pull or pick — premature removal causes scarring) - Days 7–10: Most scabs shed, revealing new pink epidermis - Weeks 2–8: Gradual fade of pinkness; progressive skin quality improvement as collagen matures **Post-treatment:** Petroleum jelly or recommended healing ointment to keep the surface moist during healing. No rubbing or picking. SPF 50+ mandatory for at least 1 month (2 months for CO2 vapourisation sites). Retinoids and active acids should not be used for 6–8 weeks post-treatment. Second-degree sunburn risk is extremely high post-treatment. **Number of sessions:** One full-face fractional session typically produces a visible improvement; 2–3 sessions spaced 6–8 weeks apart produce a more comprehensive result for acne scars or advanced photoaging. Lesion removal is usually a single session. **Contraindications:** Active infection, herpes simplex in the treatment zone (antiviral prophylaxis prescribed before treatment), melanoma or suspicious lesions (must be biopsied first), darker Fitzpatrick types (IV–VI) without specific settings adjustment (high PIH risk), recent isotretinoin use (within 12 months), pregnancy.