Sunscreen lotion and preparation method thereof
A technology of sunscreen lotion and neem, which is applied in pharmaceutical formulations, cosmetic preparations, dressing preparations, etc., can solve the problems of lack of safety, single absorption wavelength, etc., achieve free radical scavenging, good UV absorption, and reduce oxidative damage to cells Effect
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Embodiment 1
[0057] Take the natural plant Neem chrysalis, grind it into a raw material powder with an average particle size of 30 mesh, add 10 times of water, reflux and extract twice for 1 hour each time, concentrate, dry, and pulverize to obtain a dry powder, which is Neem chrysanthemum extract 1.
Embodiment 2
[0059] Take the natural plant Neem japonica, grind it into a raw material powder with an average particle size of 40 mesh, add 8 times 30% ethanol, reflux extraction 3 times, each time for 1 hour, concentrate, dry, and pulverize to obtain a dry powder, which is Neem japonica extract 2.
Embodiment 3
[0061] Take the natural plant neem, crush it into a raw material powder with an average particle size of 50 mesh, add 8 times 60% ethanol, reflux extraction twice, each time for 2 hours, concentrate, dry, and pulverize to obtain a dry powder, which is neem extract 3.
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