| abstract |
The invention relates to the use of one or more preservatives, selected from the group containing ethylparaben (120-47-80), propylparaben (94-13-3), methylisothiazolinone (2682-20-4), methylpropanediol (2163-42-0), butylene glycol (107-88-0), ethylhexylglycerin (70445-33-9), sodium benzoate (532-32-1), 1,2-hexanediol (6920-22-5), potassium sorbate (24634-61-5 / 590-00-1), DMDM hydantoin (6440-58-0) and benzyl alcohol (100-51-6) for stimulating the expression of Endo180 in order to activate the collagen metabolism in ageing skin and to stimulate ageing skin to eliminate defective collagen. |