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Smoothbeam Laser for Active Acne & Sebum Regulation
This wavelength has selective penetration sufficient to reach the upper dermis, with relatively low absorption by water compared with Er:YAG and CO₂ wavelengths. In combination with a long pulse duration, it heats tissue (primarily water) at a depth of approximately 200–400 μm to 70–80°C, inducing a mild thermal effect on older collagen.
Smoothbeam uses a 1405 nm wavelength, which is absorbed by water and penetrates to approximately 300–400 μm. Through thermal energy, it produces a controlled thermal effect on the sebaceous gland (which contains water), resulting in structural change and gland shrinkage, thereby reducing sebum production toward normal levels. Additionally, the localized temperature increase contributes to the reduction of bacteria in the treated area.
This effect is not temporary but remains stable, and it can be used in anatomical areas where acne is resistant to other methods (e.g., the back). Smoothbeam is a non-ablative laser. Sessions are brief (“lunchtime treatment”), allowing immediate return to normal activities.
New-generation lasers act subepidermally, stimulating fibroblasts and increasing existing collagen (reported up to 84%), with reduction in wrinkle depth (reported up to 69%) and no visible marks, unlike older ablative lasers (Erbium, CO₂), which vaporize water and ablate the superficial epidermal layers, causing intentional tissue injury.
The short pulse duration used by Er:YAG and CO2 lasers results in the vaporization of water rather than heating, which, combined with high water absorption, removes and vaporizes (ablation) the upper layers of the epidermis, causing its destruction or injury.
The method is characterized by ease and speed of application, precision, selectivity, and essentially no downtime; the patient may resume daily activities the same day.