Topical skin care formulations comprising plant extracts

Abstract

A method of treating a skin condition is disclosed. The method can include topically applying to skin having the skin condition a composition comprising an effective amount of an extract of Diospyros mespiliformis leaf to treat the skin condition.

1 . A method of treating a skin condition, the method comprising topically applying to skin having the skin condition a composition comprising an effective amount of an extract of  Diospyros mespiliformis  leaf to treat the skin condition. 
     
     
         2 . The method of  claim 1 , wherein the skin condition is a fine line or wrinkle. 
     
     
         3 . The method of  claim 1 , wherein the skin condition is skin having reduced elasticity or firmness. 
     
     
         4 . The method of  claim 1 , wherein the effective amount of the extract is 0.0001% to 20% by weight of the extract based on the total weight of the composition. 
     
     
         5 . The method of  claim 1 , wherein the composition is a lotion or a cream. 
     
     
         6 . The method of  claim 1 , wherein the composition is a gel or a serum. 
     
     
         7 . The method of  claim 1 , wherein the composition is an emulsion. 
     
     
         8 . The method of  claim 7 , wherein the composition is an oil-in-water emulsion. 
     
     
         9 . The method of  claim 1 , wherein the  Diospyros mespiliformis  leaf extract increases collagen production in the skin. 
     
     
         10 . The method of  claim 1 , wherein the  Diospyros mespiliformis  leaf extract reduces COX-1, MMP-1, tyrosinase, or TNF-α activity in the skin. 
     
     
         11 . The method of  claim 1 , wherein the  Diospyros mespiliformis  leaf extract reduces oxidative damage in the skin. 
     
     
         12 . The method of  claim 1 , wherein the extract is an aqueous extract. 
     
     
         13 . The method of  claim 1 , wherein the extract is an alcoholic extract. 
     
     
         14 . The method of  claim 1 , wherein the extract is an aqueous-alcoholic extract. 
     
     
         15 . The method of  claim 1 , wherein the composition further comprises a moisturizing agent or a humectant. 
     
     
         16 . The method of  claim 1 , wherein the composition further comprises at least 40% by weight of water. 
     
     
         17 . The method of  claim 1 , wherein the composition further comprises:
 water;   xanthan gum;   disodium EDTA;   capryl glycol; and   C12-15 alkyl benzoate.   
     
     
         18 . The method of  claim 1 , wherein the composition further comprises:
 water;   glycerin;   butylene glycol;   phenoxyethanol;   disodium EDTA; and   potassium sorbate.   
     
     
         19 . The method of  claim 19 , wherein the composition further comprises:
 dimethicone; and   maltodextrin.   
     
     
         20 . The method of  claim 1 , wherein the composition further comprises:
 homosalate;   octocrylene; and   avobenzone.