Pearl cream with effects for whitening and removing spots as well as preparation method thereof
A technology for whitening and removing freckles and pearls, which is applied to cosmetic preparations, preparations for skin care, pharmaceutical formulations, etc., can solve the problem that the effective ingredients of pearls do not give full play to the skin care effect, etc. high effect
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Embodiment 1
[0023] A preparation method of pearl cream with whitening and freckle-removing effects, comprising the steps of:
[0024] (1) Preparation of hydrolyzed pearl powder: Grind pearls into powder, add sulfuric acid, heat to 60-65°C for 1 hour, stop heating, let stand for 36 hours, then add calcium carbonate to neutralize, add diatomaceous earth, and carry out suction filtration , the obtained liquid is subjected to rotary evaporation to obtain hydrolyzed pearl powder.
[0025] (2) Take 3g of hydrolyzed pearl powder, 18g of glycerin, 30g of petrolatum, 33g of cetyl alcohol, 12g of triethanolamine, 0.2g of rose essential oil, 0.4g of vitamin E, 0.1g of imidazolidinyl urea, and 100g of water, mix and stir for 30min to obtain Pearl cream.
Embodiment 2
[0027] A preparation method of pearl cream with whitening and freckle-removing effects, comprising the steps of:
[0028] (1) Preparation of hydrolyzed pearl powder: Grind pearls into powder, add sulfuric acid, heat to 60-65°C for 1 hour, stop heating, let stand for 40 hours, then add calcium carbonate to neutralize, add diatomaceous earth, and carry out suction filtration , the obtained liquid is subjected to rotary evaporation to obtain hydrolyzed pearl powder.
[0029] (2) Take 2g of hydrolyzed pearl powder, 18g of glycerin, 28g of petrolatum, 33g of cetyl alcohol, 11g of triethanolamine, 0.1g of rose essential oil, 0.3g of vitamin E, 0.1g of imidazolidinyl urea, and 100g of water, mix and stir for 30min to obtain Pearl cream.
Embodiment 3
[0031] A preparation method of pearl cream with whitening and freckle-removing effects, comprising the steps of:
[0032] (1) Preparation of hydrolyzed pearl powder: Grind pearls into powder, add sulfuric acid, heat to 60-65°C for 2 hours, stop heating, let stand for 48 hours, then add calcium carbonate to neutralize, add diatomaceous earth, and carry out suction filtration , the obtained liquid is subjected to rotary evaporation to obtain hydrolyzed pearl powder.
[0033] (2) Take 2g of hydrolyzed pearl powder, 20g of glycerin, 28g of vaseline, 33g of cetyl alcohol, 10g of triethanolamine, 0.1g of rose essential oil, 0.3g of vitamin E, 0.2g of imidazolidinyl urea, and 100g of water, mix and stir for 35min to obtain Pearl cream.
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