03.01.18
US Patent No. 9,554,985 B2; Keratin Korea Co. has patented a method to make a hair-growth composition that entails washing and drying herbs consisting of Rumex japonicas HOUTT, Pleuropterus multiflorus, Radix Notoginseng, safflower (Carhtamus tinctorius L.), Cnidium officinale, Mentha Arvensis var. Piperascens, Asarum sieboldii and Glycyrrhiza uralensis Fischer and mixing herbs to obtain an herbal medicine material.
The next steps are: combine the herbal medicine with purified water in a brewing pot that is heated perform a decoction under pressure and temperature conditions of 2 kgf/cm2 and 80-90°C for 2-3 hours; removing the pot from heat and letting it stand for 2-3 hours; reheating the pot to 80-90°C for 1-2 hours; cooling the pot to 7-8°C for 12 hours; reheating the pot under pressure for 2-3 hours; filtering the material to obtain an extract; adding the extract to a pot of simmering water and evaporating the water while stirring; adding extract to an evaporator and drying to produce a sticky-textured extract; adding purified horse fat and heating to 70-80°C for 0.5-1 hour.
The next steps are: combine the herbal medicine with purified water in a brewing pot that is heated perform a decoction under pressure and temperature conditions of 2 kgf/cm2 and 80-90°C for 2-3 hours; removing the pot from heat and letting it stand for 2-3 hours; reheating the pot to 80-90°C for 1-2 hours; cooling the pot to 7-8°C for 12 hours; reheating the pot under pressure for 2-3 hours; filtering the material to obtain an extract; adding the extract to a pot of simmering water and evaporating the water while stirring; adding extract to an evaporator and drying to produce a sticky-textured extract; adding purified horse fat and heating to 70-80°C for 0.5-1 hour.
