Non-ablative Non-fractional Lasers

Compare To Other Treatments

What Is It?

Non-ablative lasers are less invasive but also less effective than ablative lasers. Non-ablative, non-fractional lasers shine a focused beam of light on the entire skin, but does not remove (ablate) the skin.

Good or Excellent Response

Strength of Evidence
1
2
3
4
5
14% of patients achieved a good (>50%) or excellent (>75%) improvement in scarring after 5 sessions

Moderate Response

Strength of Evidence
1
2
3
4
5
60% of patients achieved at least a moderate (>25%) improvement in scarring after 5 sessions
  1. Alter, I., Pennati, B. M., Madeddu, F. & Zingoni, T. The 675 nm laser for the treatment of facial acne scars in dark skin type. Skin Research and Technology 29, e13514 (2023).
  2. Sarac, G., Kapicioglu, Y. & Cenk, H. An evaluation of the efficacy of a single-session 577 nm pro-yellow laser treatment in patients with postacne erythema and scarring. Dermatol Ther 34, e14611 (2021).
  3. Rathod, D. et al. A cross-sectional, multi-center study on treatment of facial acne scars with low-energy double-pass 1450-nm diode laser. Dermatol Ther 33, e13326 (2020).
  4. Gold, M. H., Wilson, A. & Mordon, S. R. Treatment of acne scarring with a novel dual-wavelength laser. J Cosmet Dermatol (2019) doi:10.1111/jocd.13068.
  5. Asilian, A. et al. Comparison of Q-Switched 1064-nm Nd: YAG laser and fractional CO2 laser efficacies on improvement of atrophic facial acne scar. J Res Med Sci 16, 1189–1195 (2011).
  6. Min, S. U. K., Choi, Y. S., Lee, D. H., Yoon, M. Y. & Suh, D. H. Comparison of a long-pulse Nd:YAG laser and a combined 585/1,064-nm laser for the treatment of acne scars: a randomized split-face clinical study. Dermatol Surg 35, 1720–1727 (2009).
  7. Lee, D. H., Choi, Y. S., Min, S. U., Yoon, M. Y. & Suh, D. H. Comparison of a 585-nm pulsed dye laser and a 1064-nm Nd:YAG laser for the treatment of acne scars: a randomized split-face clinical study. J Am Acad Dermatol 60, 801–807 (2009).
  8. Lipper, G. M. & Perez, M. Nonablative acne scar reduction after a series of treatments with a short-pulsed 1,064-nm neodymium:YAG laser. Dermatol Surg 32, 998–1006 (2006).
  9. Yaghmai, D., Garden, J. M., Bakus, A. D. & Massa, M. C. Comparison of a 1,064 nm laser and a 1,320 nm laser for the nonablative treatment of acne scars. Dermatol Surg 31, 903–909 (2005).
  10. Bellew, S. G., Lee, C., Weiss, M. A. & Weiss, R. A. Improvement of atrophic acne scars with a 1,320 nm Nd:YAG laser: retrospective study. Dermatol Surg 31, 1218–1221; discussion 1222 (2005).
  11. Chua, S.-H., Ang, P., Khoo, L. S. W. & Goh, C.-L. Nonablative 1450-nm diode laser in the treatment of facial atrophic acne scars in type IV to V Asian skin: a prospective clinical study. Dermatol Surg 30, 1287–1291 (2004).

Side Effects

Low-Medium
Low-medium side effects and adverse reactions

Reviews

2.8
273 Reviews