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. 2013 Dec 10;8:4689–4701. doi: 10.2147/IJN.S51383

Table 3.

Score and classification of irritation obtained in the HET-CAM test

Formulations Irritation scores Degree of irritation
Gel base 0.45 Nonirritant
Free OMC gel 0 Nonirritant
Empty liposome 0 Nonirritant
Liposome/OMC 0.25 Nonirritant

Abbreviations: HET-CAM, hen’s egg test-chorio-allantoic membrane; OMC, octyl methoxycinnamate.