Whitening cosmetic and preparation method thereof
A technology for whitening cosmetics and cucumber seed oil, which is applied in the field of whitening cosmetics and its preparation, can solve the problems of being unsuitable for long-term use and having large negative effects on the skin, and achieves the effects of bright color, good preservation 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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