A kind of natural soothing moisturizing composition containing ceramide and preparation method thereof
The technology of a ceramide and a composition is applied in the field of natural soothing and moisturizing compositions and their preparation, which can solve the problems of single function and limited effect, and achieve the effects of excellent skin hydration and inhibition of telangiectasia
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Embodiment 1
[0019] Preparation of Neem Extract
[0020] Get the dried bark of Neem, leaves and seeds in a weight ratio of 1: 1: 2 mixture 50g, pulverize, add 500mL 50v / v% ethanol, soak at room temperature for 3 days, then spin at 40°C in a water bath Evaporate to dryness to obtain neem extract.
Embodiment 2
[0022] Preparation of comfrey extract
[0023] Take 50 g of dried roots of comfrey, crush them, add 400 mL of n-hexane, soak them at room temperature for 7 days, and then spin evaporate them to dryness in a water bath at 40°C to obtain a comfrey extract.
Embodiment 3
[0025] Lotion 1
[0026] Weigh 6 g of the mixture of ceramide 1 and ceramide 3 in a weight ratio of 1:3, 1 g of Neem extract (prepared according to Example 1), 1 g of Comfrey extract (prepared according to Example 2), polyethylene glycol Alcohol-400 5g, 1,3-butanediol 5g, polyoxyethylene (20) sorbitan monolaurate 1g, ethanol 13g, apricot gum 1g, paraben 0.4g and deionized water 60g, Prepare according to the following method: 1) mix neem extract, comfrey extract, polyoxyethylene (20) sorbitan monolaurate, apricot gum, paraben and ethanol at room temperature, stir Uniform; 2) Mix the mixture of ceramide 1 and ceramide 3 in a weight ratio of 1:3, polyethylene glycol-400, 1,3-butanediol and deionized water at room temperature, and stir evenly; 3) The mixture prepared in step 1) was added to the mixture prepared in step 2), placed in an ultrasonic generator and mixed at room temperature with high-frequency vibration at 40 Hz for 8 minutes to obtain the natural soothing moisturizin...
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