Clinical outcomes and 5-year follow-up results of keratosis pilaris treated by a high concentration of glycolic acid

Table 2 Changes in the number of keratotic papules before and after treatment of the 25 study cases

Case	Day 0	Day 20	Day 40	Day 60	Day 80
1	52	25	20	16	10
2	26	22	21	15	14
3	95	80	71	58	28
4	46	38	32	25	24
5	58	49	33	29	21
6	35	23	19	14	10
7	80	58	43	37	26
8	66	47	58	23	19
9	35	21	18	15	11
10	75	59	50	38	36
11	38	25	16	15	12
12	43	37	33	26	13
13	55	53	48	43	42
14	61	30	22	15	11
15	48	45	41	31	25
16	57	55	51	45	43
17	39	33	28	21	14
18	72	65	55	43	37
19	28	22	19	12	7
20	30	27	21	16	12
21	42	38	33	27	23
22	58	53	45	37	29
23	65	62	57	49	33
24	36	29	23	16	9
25	88	80	66	52	45
Average	53.12 ± 18.49	43.04 ± 17.53	36.92 ± 16.24	28.72 ± 13.51	22.16 ± 11.61

Data are the number of keratotic papules before treatment and on days 20, 40, 60, and 80.