A urea-vitamin e cream for treating chapped hands and feet and chapped hands and feet caused by keratotic tinea pedis
A technology for chapped hands and feet and tinea pedis, which is applied in the field of medicine, can solve the problems of high cost and energy consumption, and achieve the effects of not easy oil and water delamination, good stability, and good high temperature stability
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Embodiment 1
[0055] The preparation of embodiment 1 urea vitamin E cream 1
[0056] The formula for Cream 1 is as follows:
[0057]
[0058] Cream 1 is prepared according to the following method:
[0059] (a) Heat polyethylene glycol-7-stearate (tefose63), caprylic capric glyceride (Labrasol) and liquid paraffin to 60°C to melt;
[0060] (b) Mix purified water, urea and 5 ppm catechin (the raw material of catechin needs to be crushed to a particle size of no more than 100 μm), and heat to 60°C;
[0061] (c) Mix step (a) with step (b) under continuous slow stirring (30rpm), stir and emulsify, and control the temperature at 60°C;
[0062] (d) Stir and cool the mixture obtained in step (c) to 25~50°C, add vitamin E and stir evenly to obtain urea vitamin E cream.
Embodiment 2
[0063] The preparation of embodiment 2 urea vitamin E cream 2
[0064] The formula for Cream 2 is as follows:
[0065]
[0066] Preparation Process:
[0067] (a) Heat polyethylene glycol-7-stearate (tefose63) and cetyl alcohol to 75°C to melt, then add light liquid paraffin and mix well, keeping the temperature at 75°C;
[0068] (b) Mix the purified water, urea and 4 ppm of catechin (the raw material of catechin should be crushed to a particle size of no more than 100 μm), and heat to 75°C;
[0069] (c) Mix step (a) with step (b) under continuous slow stirring (40rpm), stir and emulsify, and control the temperature at 75°C;
[0070] (d) Stir and cool the mixture obtained in step (c) to 25~50°C, add vitamin E and stir evenly to obtain urea vitamin E cream.
Embodiment 3
[0071] The preparation of embodiment 3 urea vitamin E cream 3
[0072] The formula for Cream 3 is as follows:
[0073]
[0074] Preparation Process:
[0075] (a) Heat polyethylene glycol-7-stearate, light liquid paraffin, white beeswax and Labrafil M1944 CS to 70°C to melt;
[0076] (b) Mix purified water, phenoxyethanol, urea and 3 ppm of catechin (the raw material of catechin should be crushed to a particle size of no more than 100 μm), and heat to 70°C;
[0077] (c) Mix step (a) with step (b) under continuous slow stirring (35rpm), stir and emulsify, and control the temperature at 70°C;
[0078] (d) Stir and cool the mixture obtained in step (c) to 25~50°C, add vitamin E and stir evenly to obtain urea vitamin E cream.
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