The Anti-Acne Effect of Near-Infrared Low-Level Laser Therapy

Figures & data

Table 1 Investigator’s Global Assessment Scale of Acne Severity^11–13

Acne Severity Scale	Type of Lesions
0 Clear skin	No inflammatory and non-inflammatory lesions
1 The skin is almost unchanged	Few comedones and ≤ 1 small inflammatory lesion
2 Mild severity	A dozen comedones, ≤ several inflammatory lesions
3 Moderate severity	Many comedones, > several inflammatory lesions, ≤ 1 nodule
4 Severe severity	Many comedones and inflammatory lesions, ≤ several nodules and cysts

Figure 1 (A) Forehead sebumetric measurement. (B) Sebumetric measurement on the right cheek. (C) Number of lesions. (D) IGA scale.

Figure 2 Patient no. 1, a 19-year-old woman, before commencement of the study and two weeks after completion of the series of six treatments using a low level laser.

Figure 3 Patient no. 2, a 19-year-old woman, before commencement of the study and two weeks after completion of the series of six treatments using a low level laser.

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