Effect of 82% Lactic Acid in Treatment of Melasma

Table 5

Patients visual analogue scale with lactic acid treatment at different durations.

	0 weeks	2 weeks	4 weeks	6 weeks	8 weeks	10 weeks	12 weeks	16 weeks	20 weeks	24 weeks
VAS 0	6	3	2	2	2	3	3	3	3	3
No improvement	30%	15%	10%	10%	10%	15%	15%	15%	15%	15%
VAS 1	10	11	12	12	12	12	14	14	14	14
0–25% improvement	50%	55%	60%	60%	60%	60%	70%	70%	70%	70%
VAS 2	4	6	6	6	6	5	3	3	3	3
25–50% improvement	20%	30%	30%	30%	30%	25%	15%	15%	15%	15%