Shaving Aid For Razor Cartridges Comprising Filaments

1 . A razor cartridge comprising a shaving aid comprising a plurality of filaments wherein at least 15% by total weight of the filaments are water soluble filaments.

2 . The razor cartridge of claim 1 , further comprising a housing and at least one blade contained therein, wherein at least a portion of said housing comprises said shaving aid.

3 . The razor cartridge of claim 1 , wherein said shaving aid comprises a mixture of filaments.

4 . The razor cartridge of claim 1 , wherein said shaving aid comprises a filament forming material.

5 . The razor cartridge of claim 4 , wherein said filament forming material comprises polyvinylalcohol, quaternary ammonium polymer, polyethylene glycol, polyethylene oxide, or a combination thereof.

6 . The razor cartridge of claim 1 , wherein said shaving aid comprises at least 40% by total weight of filaments of said water soluble filaments.

7 . The razor cartridge of claim 1 , wherein said shaving aid further comprises from 0.01% to 60% by weight of total filaments of a skin care active agent.

8 . The razor cartridge of claim 7 , wherein at least a portion of said skin care active agent is on an external surface of at least one of said plurality of filaments.

9 . The razor cartridge of claim 7 , wherein at least a portion of said skin care active agent is within at least one of said plurality of filaments.

10 . The razor cartridge of claim 1 , wherein at least a portion of said plurality of filaments is in the form of a web, preferably a nonwoven web.

11 . The razor cartridge of claim 10 , comprising at least two layers of said web.

12 . The razor cartridge of claim 11 , wherein said at least two layers are superimposed and bonded together to form a laminate.

13 . The razor cartridge of claim 10 , wherein said web has a thickness of greater than about 0.01 mm to about 20 mm.

14 . The razor cartridge of claim 10 , wherein at least a portion of said web is coated with at least one additive.

15 . The razor cartridge of claim 7 , wherein said skin care active agents are selected from surfactants, fats, oils, waxes or mixtures thereof, preferably from silicones, mineral oil, petrolatum and naturally derived oils and mixtures thereof.

16 . The razor cartridge of claim 15 , wherein said one or more skin care active agents comprises an anionic surfactant, cationic surfactant, nonionic surfactants, zwitterionic surfactants, amphoteric surfactants or mixtures thereof.

17 . A method for manufacturing a cartridge according to any one of the preceding claims, the method comprises the steps of:

a. providing a filament-forming composition comprising one or more water soluble filament-forming materials and optionally one or more skin care active agents;

b. spinning the filament-forming composition into one or more filaments comprising the one or more filament-forming materials and optionally one or more skin care active agents.

18 . The method according to claim 17 , further comprising the steps of:

c. forming a web from said filaments,

d. Optionally coating the filament and or web with a skin care active agent and

e. superimposing at least two layers of said web and bonding together to form a laminate thereof.