244 1,6 1 . : f • 1,4 u C C 1,2 1 0,8 0,6 0,4 0,2 - JOURNAL OF COSMETIC SCIENCE - - - - - -- - - --- - -- - - - ---- t - Aat416 nm of hempseed oil -A at671 nm of hempseed oil * A at416 nm of olive oil ..... •A at 671 nm of olive oil 0-+-------.----------------- a 50 100 150 200 UVA irradiation time (min.) Figure 2. Study of the photostability of the chlorophyll contained in hemp-seed and olive oils under UV A irradiation. 2 E 1,8 - -;II( - - - - -• - - - - - - - .,. C 1,6 ca 1,4 .. 1,2 • 1 0,8 • 0,6 0,4 C 0,2 0 ..... ..... 0 50 100 ..... 150 -hempseed oil under UVA irr. ■ olive oil under UVA irr. ..._. -.-hempseed oil under vis. irr - -K - olive oil under vis.irr. 200 irradiation time (min.) Figure 3. Comparative study of the degradation of the chlorophyll contained in hemp-seed and olive oils under UV A and visible irradiation. Table IX Formulation of Eye Gel-Emulsion 3 Prepared with Hemp-Seed Oil and Olive Oil Ingredients Vegetable (hemp-seed or olive) oil Carbopol 1382® NaOH 10% Water Percentage (% p/p) 5 0.25 0.272 94.478

Table X pH and Viscosity, Indicative of the Influence of the Vegetable Oils on the Emulsions, Before and After Heating Eye gel-emulsion Eye gel-emulsion Eye gel-emulsion Eye gel-emulsion Eye gel-emulsion with extra-virgin with hemp-seed oil with hemp-seed oil with olive oil with olive oil olive oil (before heating) (after 1 h at 40 ° C) (before heating) (after 1 h at 40 ° C) (before heating) Viscosity at 8150 7500 9400 8550 9800 5 s- 1 (mPa s) pH 4.80 4.75 5.15 5.15 5.10 Eye gel-emulsion with extra-virgin olive oil (after 1 h at 40°C) 9800 4.97 ::r: t:d � ""O I C/) t:d t:d u z 0 - t:d 0 - r C/) N ,.j:::,-._ Vl