Laser Skin Rejuvenation: How Light Stimulates Collagen Naturally

Ania Sousa
Oct 14
2 min read

One of the most exciting things about laser technology is how it can help your skin renew itself, not by covering up imperfections, but by encouraging your body to rebuild collagen from within.

As Bloom & Beam Laser Studio prepares to open, I’m sharing how non-ablative laser rejuvenation works, why it’s gentler than older resurfacing methods, and how light energy sparks a natural healing response that smooths, firms, and revitalizes skin over time.

Image Credit: Quanta website (Linked Here)

What Does “Non-Ablative” Mean?

In the 1980s and 1990s, ablative lasers were popular for treating wrinkles, acne scars, and sun damage. They worked by removing (or ablating) the skin’s surface, which forced the body to rebuild fresh tissue but also meant longer downtime, redness, and higher risks of pigmentation changes.

Non-ablative lasers, by contrast, keep the surface layer of skin intact while delivering controlled heat deeper into the dermis. This approach is more conservative and ideal for mild to moderate photoaging.

The goal? To trigger collagen remodeling beneath the surface, safely and gradually.

How Light Stimulates Collagen

The skin’s main structural protein, collagen, gives it strength, elasticity, and smoothness. Over time, collagen production naturally slows but lasers can help restart the process.

When a non-ablative laser pulse penetrates the dermis, water molecules in the tissue absorb the light’s energy, creating gentle, localized heat. This micro-thermal injury doesn’t harm the outer layer but signals fibroblast cells, the body’s collagen factories to begin repair and renewal.

The result is a slow, steady increase in new collagen fibers, improved texture, and restored firmness that develops over several weeks.

Fractional Technology: Boosting Results, Reducing Downtime

Modern systems use fractional delivery, where light energy is applied in tiny “pixel-sized” columns that penetrate the dermis while leaving surrounding tissue untouched.This technique accelerates healing and enhances comfort by allowing faster re-epithelialization (surface renewal), shorter recovery, and less risk of complications.

Most people require a series of sessions, typically four to six to build results gradually as collagen continues to remodel between treatments.

What to Expect

After treatment, it’s normal to experience mild redness and swelling (erythema and edema) for a few days. Beneath the surface, fibroblasts remain active for weeks, strengthening and reorganizing collagen fibers.

Unlike harsh resurfacing, there’s no rawness or peeling just a gentle, ongoing glow that emerges as the skin renews itself.

Why Bloom & Beam Will Focus on Non-Ablative Rejuvenation

At Bloom & Beam, the approach will center on non-ablative and fractional laser rejuvenation because it offers the best of both worlds: science-based collagen stimulation with minimal downtime and maximum safety.

Every treatment protocol will be built on understanding the relationship between wavelength, tissue depth, and collagen response, ensuring results that look natural and feel healthy.