Table 4.

Effect of topical treatment of test ointments for 7 days on hydroxyproline content.

Material	Hydroxyproline (mg/g) ± SEM
Vehicle	20.21 ± 2.43
Negative Control	19.25 ± 2.67
C. sempervirens var. horizontalis	18.3 ± 2.41
C. sempervirens var. pyramidalis	25.9 ± 3.17
J. communis subsp. nana	24.3 ± 3.52
J.  excelsa	29.5 ± 3.01
J. foetidissima	21.8 ± 2.54
J. oxycedrus subsp. oxycedrus	50.8 ± 2.44**
J.  phoenicea	44.3 ± 2.81*
Madecassol	75.6 ± 2.95***

* P < 0.05; ** P < 0.01; *** P < 0.001; SEM: standard error of the mean.