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. 2023 May 26;8(5):e10550. doi: 10.1002/btm2.10550

TABLE 6.

Skin irritation intensity grading.

Skin irritation index Stimulus intensity grading
0 Non‐irritating
0~ Mildly irritating
1.0~ Moderately irritating
3.0 ~ 6.0 Strongly stimulating