Method for reducing odor in personal care products
View Patent ↗A personal care composition which contains 25-200 ppm of 2-methyl-4-isothiazolin-3-one and at least one hydroquinone radical scavenger, and a method for reducing odor arising in personal care compositions containing 2-methyl-4-isothiazolin-3-one.
1. A personal care composition comprising:
(a) 50-150 ppm 2-methyl-4-isothiazolin-3-one;
(b) 50-1000 ppm of at least one hydroquinone radical scavenger selected from the group consisting of 2,5-di-tert-butyl-1,4-hydroquinone; 2-tert-butyl-1,4-hydroquinone; 2,5-bis-(2,4-dimethylphenyl)hydroquinone; 2,5-di-tert-pentyl-1,4-hydroquinone; and 1,2,4-trihydroxybenzene; and
(c) one or more plant extracts.
2. The composition of claim 1 in which said plant extracts comprise at least one of an unsaturated aldehyde, an unsaturated ester, an unsaturated ketone and an unsaturated alcohol.
3. The composition of claim 1 which is a cream, lotion or ointment.
4. The composition of claim 2 in which said at least one hydroquinone radical scavenger is selected from the group consisting of 2,5-di-tert-butyl-1,4-hydroquinone and 2-tert-butyl-1,4-hydroquinone.
5. The composition of claim 4 comprising one or more tea extracts.