Whitening and anti-wrinkle composition
A composition and whitening technology, applied in the direction of cosmetics, skin care preparations, cosmetic preparations, etc., can solve the problems of unsatisfactory consumption, monotony, etc., and achieve the effects of reducing wrinkles, maintaining an even skin tone, and scavenging free radicals
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Embodiment 1
[0028] Put 5 grams of quercetin, 8 grams of aloe extract, 8 grams of apple peel extract and 79 grams of deionized water into a mixer, stir and mix evenly, and then the whitening and anti-wrinkle composition 1 can be obtained.
Embodiment 2
[0030] Put 8 grams of Tu Fritillaria extract, 14 grams of Rose Hydrosol, 13 grams of Evening Primrose Seed Extract and 65 grams of deionized water into a mixer, stir and mix evenly to obtain the whitening and anti-wrinkle composition 2.
Embodiment 3
[0032] Put 12 grams of Trichosanthes extract, 20 grams of Calendula officinalis extract, 18 grams of Hedyotis diffusa extract and 50 grams of deionized water in a mixer, stir and mix evenly, and then the whitening and anti-wrinkle composition 3 can be obtained.
[0033] Determination experiment of tyrosinase inhibition rate in vitro
[0034] Dissolve tyrosinase in 1 / 15mol / L pH6.8 phosphate buffer to make the concentration of the enzyme solution 368U / ml. As a substrate, levodopa (L-DOPA) was dissolved in 1 / 15 mol / L pH 6.8 phosphate buffer so that the concentration of L-DOPA was 5 mmol / L. The whitening and anti-wrinkle compositions prepared in Examples 1-3 and the commercially available whitening cosmetics (control group) were prepared with distilled water to prepare test substances with a concentration of 1 mg / L, and the above solutions were all ready-to-use.
[0035] At 25°C, add 5mmol / ml levodopa (L-DOPA) 0.8 / ml, 1 / 15mol / L pH6.8 phosphate buffer 1.2ml and 0.1ml test substanc...
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