Ultra-size cosmetic applicator having enhanced surface area

Abstract

A cosmetic applicator comprises a substantially thick core, a plurality of protrusions extending from the core, and a substantially thick stem attached to the core at one end thereof, the core having an equivalent core diameter CD of at least 3 mm, and the stem having an equivalent stem diameter SD of at least 4.5 mm, wherein a ratio CD:SD is not greater than 0.8.

1 . A cosmetic applicator comprising a substantially thick core having a core surface area CA, a plurality of protrusions extending from the core and having a cumulative protrusions surface area PA, and a substantially thick stem attached to the core at one end thereof, the core having an equivalent core diameter CD of at least about 3 mm, and the stem having an equivalent stem diameter SD of at least about 4.5 mm, wherein a ratio CD:SD is not greater than about 0.8. 
   
   
       2 . The cosmetic applicator according to  claim 1 , wherein the ratio CD:SD is greater than about 0.5. 
   
   
       3 . The cosmetic applicator according to  claim 1 , wherein the ratio CD:SD is from about 0.6 to about 0.7. 
   
   
       4 . The cosmetic applicator according to  claim 1 , wherein the core surface area CA is at least about 225 square mm. 
   
   
       5 . The cosmetic applicator according to  claim 1 , wherein a combined surface area S comprising the core surface area CA and the cumulative protrusions surface area PA is at least about 850 square mm. 
   
   
       6 . The cosmetic applicator according to  claim 1 , wherein the core has a length of from about 15 mm to about 35 mm. 
   
   
       7 . A cosmetic applicator comprising a substantially longitudinal thick core having an equivalent core diameter CD and a core surface area CA, and a plurality of protrusions extending from the core in a non-random repeating pattern and having a cumulative surface area PA, wherein a combined surface area S comprising the core surface area CA and the cumulative protrusions surface area PA is at least about 850 square mm. 
   
   
       8 . The applicator according to  claim 7 , further comprising a stem structured and configured to be attached to the core at one end thereof and having an equivalent stem diameter SD, wherein a ratio CD:SD is not greater than about 0.8. 
   
   
       9 . The cosmetic applicator according to  claim 8 , wherein the ratio CD:SD is from about 0.5 to about 0.8. 
   
   
       10 . The cosmetic applicator according to  claim 9 , wherein the ratio CD:SD is from about 0.6 to about 0.7. 
   
   
       11 . The applicator according to  claim 1 , wherein at least some of the protrusions have a protrusion length of at least about 0.5 mm. 
   
   
       12 . The applicator according to  claim 7 , wherein at least some of the protrusions have a protrusion length of at least about 0.5 mm. 
   
   
       13 . The applicator according to  claim 1 , further comprising a bottle structured and configured to receive the core and the stem therein, the bottle having an open neck, a wiper disposed therein, and a closure cap structured and configured to fit the neck of the bottle to securely close the bottle. 
   
   
       14 . A cosmetic applicator comprising:
 (a) a substantially longitudinal core having an equivalent core diameter CD of at least about 3 mm and a plurality of protrusions extending from the core in a non-random repeating pattern, wherein a combined surface areas of the core and the plurality of protrusions is at least about 850 square mm;   (b) a stem longitudinally attached to the core at one end thereof and having an equivalent stem diameter SD, wherein a ratio of CD:SD is not greater than about 0.8; and   (c) a bottle having an open neck and structured to receive a cosmetic composition and at least the core having a plurality of protrusion thereon, a wiper disposed in the bottle and having a wiper equivalent diameter, and a closure cap structured to fit the neck of the bottle to securely close the bottle.   
   
   
       15 . The applicator according to  claim 14 , wherein the bottle contains a cosmetic composition having a viscosity of from about 3000 cP to about 6000 cP at 200 s −1  and a yield point of not greater than about 125 Pa. 
   
   
       16 . The applicator according to  claim 1 , wherein the applicator is at least partially made of plastic. 
   
   
       17 . The applicator according to  claim 1 , wherein the applicator is at least partially molded. 
   
   
       19 . The applicator according to claim  18 , wherein the applicator is at least partially made by an injection-molding process. 
   
   
       19 . The applicator according to  claim 1 , wherein the plurality of protrusions comprises at least twelve rows, each row comprising at least twelve protrusions, each protrusion having an equivalent protrusion diameter of at least about 0.4 mm at a protrusion's base, and wherein the protrusions are disposed from one another at a distance of at least about 0.4 mm. 
   
   
       20 . The applicator according to  claim 14 , wherein a difference between the equivalent stem diameter and the equivalent wiper diameter is not greater than 3 mm.