Cosmetic
The present invention relates to cosmetics comprising a hydroxyl compound obtained by the reaction of a di- or higher-valent alcohol with a monovalent carboxylic acid and dimer acid, characterized in that the hydroxyl compound is obtained by reacting diglycerin with isostearic acid, and then reacting the obtained ester compound with dimer acid, wherein a molar ratio among diglycerin, isostearic acid and dimer acid is in the range of 1.0:1.4 to 1.6:0.5 to 0.8. The present invention provides cosmetics comprising the hydroxyl compounds having a high hydroxyl value.
1. A cosmetic comprising a hydroxyl compound obtained by reacting a glycerin mixture consisting essentially of diglycerin with isostearic acid, and then reacting the obtained ester compound with dimer acid, wherein
a molar ratio among the diglycerin of the glycerin mixture, isostearic acid, and dimer acid is 1.0:1.4 to 1.6:0.5 to 0.8;
a hydroxyl value of the hydroxyl compound is in a range of from 30 to 80;
a viscosity at 60 degrees C. of the hydroxyl compound is in a range of from 2,500 to 10,000 mPa·s; and
a number average molecular weight of the hydroxyl compound is in a range of from 2,000 to 7,000.
2. The cosmetic according to claim 1 , wherein the molar ratio among the diglycerin of the glycerin mixture, isostearic acid and dimer acid is 1.0:1.45 to 1.55:0.55 to 0.75.
3. The cosmetic according to claim 1 , wherein the molar ratio among the diglycerin of the glycerin mixture, isostearic acid, and dimer acid is 1.0:1.47 to 1.53:0.6 to 0.7.
4. The cosmetic according to claim 1 , wherein the hydroxyl value of the hydroxyl compound is in a range of from 40 to 70.
5. The cosmetic according to claim 1 , wherein a viscosity at 60 degrees C. of the hydroxyl compound is in a range of from 3,000 to 8,000 mPa·s.
6. The cosmetic according to claim 1 , wherein a number average molecular weight of the hydroxyl compound is in a range of from 3,000 to 6,000.
7. A lipstick composition comprising a hydroxyl compound obtained by reacting a glycerin mixture consisting essentially of diglycerin with isostearic acid, and then reacting the obtained ester compound with dimer acid, wherein
a molar ratio among the diglycerin of the glycerin mixture, isostearic acid, and dimer acid is 1.0:1.4 to 1.6:0.5 to 0.8;
a hydroxyl value of the hydroxyl compound is in a range of from 30 to 80;
a viscosity at 60 degrees C. of the hydroxyl compound is in a range of from 2,500 to 10,000 mPa·s; and
a number average molecular weight of the hydroxyl compound is in a range of from 2,000 to 7,000.
8. The cosmetic according to claim 1 , wherein the hydroxyl compound is obtained by reacting a mixture consisting of a glycerin mixture consisting essentially of diglycerin with isostearic acid, and then reacting the obtained ester compound with dimer acid.
9. The cosmetic according to claim 1 , wherein a purity of the diglycerin in the glycerin mixture is at least 93.3% by weight.