Colloidal metal-containing skin sanitizer
The present disclosure is drawn to disinfectant hand sanitizing compositions. In one embodiment, a hand sanitizing compositions can include from 10 to 1500 ppm colloidal silver, from 0.01 wt % to 30 wt % alcohol, at least 70 wt % water, and a thickening agent. The hand sanitizers can provide continued sanitization for an extended period of time and can be formulated to be dispensed as self-supporting foams.
1 . A hand sanitizer, comprising:
a) from 10 to 1500 ppm by weight colloidal transition metal;
b) from 0.01 wt % to 30 wt % alcohol;
c) at least about 70 wt % water; and
d) a thickening agent.
2 . The hand sanitizer of claim 1 , including the thickening agent is a foaming agent, and wherein the hand sanitizer as a whole is formulated to form a foam when ejected through a screen having from 10 to 100 micron mesh size.
3 . The hand sanitizer of claim 1 , wherein the alcohol comprises from 0.05 wt % to about 10 wt % of the hand sanitizer.
4 . The hand sanitizer of claim 1 , wherein the alcohol is selected from the group consisting of ethanol, sorbitol, glycerol, and combinations thereof.
5 . The hand sanitizer of claim 1 , wherein the hand sanitizer includes from 0.1 wt % to 7 wt % of a peroxygen.
6 . The hand sanitizer of claim 5 , wherein the peroxygen is hydrogen peroxide.
7 . The hand sanitizer of claim 5 , wherein the wherein the peroxygen is a peracid.
8 . The hand sanitizer of claim 1 , wherein the colloidal transition metal includes colloidal silver.
9 . The hand sanitizer of claim 1 , wherein the colloidal transition metal has an average particle size of from 0.001 μm to 1.0 μm.
10 . The hand sanitizer of claim 1 , wherein the hand sanitizer includes a grain extract.
11 . The hand sanitizer of claim 9 , wherein the grain extract is selected from the group consisting of wheat extract, oat extract, flax seed extract, and combinations thereof.
12 . The hand sanitizer of claim 1 , wherein the sanitizer includes a liquid surfactant.
13 . The hand sanitizer of claim 12 , wherein the liquid surfactant includes a liquid vegetable oil soap.
14 . The hand sanitizer of claim 12 , wherein the liquid surfactant comprises from 0.1 wt % to 10 wt % of the hand sanitizer.
15 . The hand sanitizer of claim 1 , wherein the sanitizer includes an emollient.
16 . The hand sanitizer of claim 16 , wherein the emollient is sorbitol.
17 . The hand sanitizer of claim 1 , wherein the thickening agent is a gelling agent.
18 . The hand sanitizer of claim 1 , wherein colloidal transition metal is a coagulated colloid including at least two transition metals.
19 . The hand sanitizer of claim 18 , wherein at least one colloid of the coagulated colloid is silver.
20 . The hand sanitizer of claim 18 , wherein at least one colloid of the coagulated colloid is zinc.
21 . The hand sanitizer of claim 18 , wherein the coagulated colloid includes a silver-zinc coagulated colloid.
22 . The hand sanitizer of claim 1 , wherein the hand sanitizer provides for continued sanitization effects for at least 2 hours after initial application.
23 . A foaming hand sanitizer, comprising:
a) from 70 wt % to 99 wt % water;
b) from 0.01 wt % to 30 wt % alcohol;
c) from 0.1 wt % to 10 wt % surfactant; and
d) from 10 to 1500 ppm colloidal transition metal,
wherein upon dispensing though a screen fine mesh screen, the sanitizer forms a thick self-supporting foam.
24 . The foaming hand sanitizer of claim 23 , wherein
i) from 0.01 wt % to 7 wt % of a peroxygen is present; or
ii) from 0.01 wt % to 5 wt % of a grain extract is present;
iii) the surfactant is a liquid vegetable surfactant; or
iv) the colloidal transition metal includes a coagulated colloid of zinc and silver.
25 . The foaming hand sanitizer of claim 24 , wherein at least two of i), ii) iii) and iv) are present in the foaming hand sanitizer.