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US 5,478,551 AGranted
Non-aqueous composition for hardening and strengthening fingernails and toenails
AssigneeProstrong Inc.
InventorFrancis W. Busch, Jr.
Life of this patent
Estimating the term…
Abstract
A non-aqueous organic composition for hardening and strengthening fingernails and toenails of human beings comprises a cosmetically acceptable organic vehicle containing a nail strengthening agent in the form of ammonium hexafluorophosphate dissolvable in this vehicle and providing an effective amount of fluoride.
Claims4
A method for hardening and strengthening fingernails and toenails of human beings comprising the steps of:
- providing a non-aqueous organic composition comprising a cosmetically acceptable organic vehicle containing a nail strengthening agent in the form of ammonium hexafluorophosphate dissolvable in said vehicle and providing an amount of fluoride which is sufficent to provide hardening and strenthening of nails;
- applying the composition topically to the outer surface of a fingernail or toe nail;
- and
- allowing the applied composition to dry on said outer surface.
1 more element
A method for hardening and strengthening fingernails and toenails of human beings comprising the steps of:
- providing a non-aqueous organic composition comprising a cosmetically acceptable organic vehicle containing a nail strengthening agent in the form of ammonium hexafluorophosphate dissolvable in said vehicle, the ammonium hexafluorophosphate concentration falling within the range of 0.50% to 2.00% by weight;
- applying the composition topically to the outer surface of a fingernail or toe nail;
- allowing the applied composition to dry on said outer surface;
- repeating steps and on a daily basis until the desired hardness and strength of the fingernail or toe nail is obtained.
1 more element
Dependencies are inferred from the claim text.