Whitening cosmetic and preparation method thereof
A technology of whitening cosmetics and cucumber seed oil, which is applied in the field of whitening cosmetics and its preparation, can solve the problems of large negative effects on the skin, unsuitable for long-term use, etc., and achieve the effect of good preservation, bright color, and easy skin absorption
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Embodiment 1
[0049] A whitening cosmetic, made from the following raw materials: 50wt% cucumber seed oil, 25wt% St. John's wort oil, 25wt% calendula oil; its preparation method: at 20°C, crush the dried cucumber seeds through 60 mesh Sieve the cucumber seed particles, soak them in absolute ethanol for 1 hour in the extraction tank, treat them with microwaves for 45 minutes, and filter them with suction to obtain a cucumber seed-ethanol mixture; add anhydrous sodium sulfate for dehydration for 10 hours, and distill ethanol out at atmospheric pressure , to obtain crude cucumber seed oil; then the crude cucumber seed oil and ethanol ratio of solid to liquid (g / ml) was 1:6, and the extraction temperature was 40 ℃ for 10 minutes to obtain yellow cucumber seed oil; the St. John's wort Flowers, by adding the proportion of 200 flowers in 1L olive oil, adding in olive oil at a temperature of 20 ℃, soaking for 4 weeks, and filtering to obtain yellow-green St. John's wort oil; The olive oil contains ...
Embodiment 2
[0051] A whitening cosmetic, comprising components: 60wt% cucumber seed oil, 20wt% St. John's wort oil, and 20wt% calendula oil; its preparation method: at a temperature of 23°C, crush the dried cucumber seeds through a 60-mesh sieve to obtain Cucumber seed granules were soaked in absolute ethanol for 2 hours in an extraction tank, treated with microwaves for 50 minutes, and suction filtered to obtain a cucumber seed-ethanol mixture; adding anhydrous sodium sulfate for dehydration for 15 hours, and distilling ethanol at atmospheric pressure to obtain Cucumber seed crude oil; then extract the crude cucumber seed oil and ethanol at a solid-liquid ratio (g / ml) of 1:7 at an extraction temperature of 50°C for 15 minutes to obtain yellow cucumber seed oil; St. John's wort flowers, According to the proportion of 250 flowers in 1L olive oil, add it to olive oil at a temperature of 22°C, soak for 5 weeks, and filter to obtain yellow-green St. John's wort oil; Containing 250 flowers in ...
Embodiment 3
[0053] A whitening cosmetic, comprising components: 70wt% cucumber seed oil, 15wt% St. John's wort oil, and 15wt% calendula oil; its preparation method: at a temperature of 25°C, crush the dried cucumber seeds through a 60-mesh sieve to obtain Cucumber seed granules are soaked in absolute ethanol for 3 hours in an extraction tank, treated with microwaves for 60 minutes, and filtered with suction to obtain a cucumber seed-ethanol mixture; adding anhydrous sodium sulfate for dehydration for 20 hours, distilling ethanol out under normal pressure to obtain Cucumber seed crude oil; then extract the crude cucumber seed oil and ethanol at a solid-liquid ratio (g / ml) of 1:8 at an extraction temperature of 60°C for 20 minutes to obtain yellow cucumber seed oil; St. John's wort flowers, According to the proportion of 300 flowers in 1L olive oil, add it to olive oil at a temperature of 25°C, soak for 6 weeks, and filter to obtain yellow-green St. John's wort oil; Containing 300 flowers i...
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