Dilutable Solid Foaming Cleanser
Solid concentrated compositions of foaming cleansers, methods for preparing such solid concentrated compositions, and methods for forming liquid cleansing solutions from such solid concentrated compositions are provided. An exemplary solid concentrated composition includes a surfactant and a dissolution promotion agent, wherein the composition is anhydrous, and wherein the composition is substantially free of sulfates.
1 . A solid concentrated composition of a foaming cleanser, the composition comprising:
a surfactant; and
a dissolution promotion agent,
wherein the composition is anhydrous, and
wherein the composition is substantially free of sulfates.
2 . The solid concentrated composition of claim 1 , wherein:
the composition has a dissolved configuration wherein the composition is dissolved in water at a composition:water weight ratio of 1:25 to form a cleansing solution, and
when in the dissolved configuration, the cleansing solution is transparent.
3 . The solid concentrated composition of claim 1 , wherein the composition has a solubility in water such that the composition is completely dissolved in water in less than 90 minutes at ambient pressure and temperature, with no added agitation.
4 . The solid concentrated composition of claim 1 wherein the surfactant comprises a primary surfactant and a secondary surfactant.
5 . The solid concentrated composition of claim 1 wherein the surfactant comprises a primary surfactant and a secondary surfactant, and wherein the composition has a primary surfactant to secondary surfactant ratio of from about 20:1 to about 25:1.
6 . The solid concentrated composition of claim 1 wherein the surfactant consists of a primary surfactant and a secondary surfactant.
7 . The solid concentrated composition of claim 1 wherein the surfactant comprises a primary surfactant and a secondary surfactant, wherein the primary surfactant is an anionic surfactant, and wherein the secondary surfactant is an amphoteric surfactant.
8 . The solid concentrated composition of claim 1 wherein the surfactant comprises a primary surfactant and a secondary surfactant, wherein the primary surfactant is a taurate, and wherein the secondary surfactant is a fatty acid amide.
9 . The solid concentrated composition of claim 1 wherein the surfactant comprises a primary surfactant and a secondary surfactant, wherein the primary surfactant is sodium methyl cocoyl taurate, and wherein the secondary surfactant is cocamidopropyl betaine.
10 . The solid concentrated composition of claim 1 wherein the composition consists of:
the surfactant;
the dissolution promotion agent,
a humectant; and
optionally, a preservative, an emollient, and/or fragrance.
11 . The solid concentrated composition of claim 1 wherein:
the composition comprises:
from about 20 to about 40 wt. % of the surfactant; and
from about 30 to about 70 wt. % of the dissolution promotion agent,
all based on a total weight of the composition.
12 . The solid concentrated composition of claim 1 further comprising a humectant, wherein the composition comprises:
from about 30 to about 70 wt. % of the dissolution promotion agent;
from about 20 to about 40 wt. % of the surfactant; and
from about 5 to about 15 wt. % of the humectant,
all based on a total weight of the composition.
13 . The solid concentrated composition of claim 1 wherein:
the surfactant comprises a primary surfactant and a secondary surfactant;
the dissolution promotion agent comprises an acidic dissolution promotion agent and a basic dissolution promotion agent; and
the composition comprises:
from about 20 to about 35 wt. % primary surfactant;
from about 0.8 to about 1.6 wt. % secondary surfactant;
from about 20 to about 40 wt. % acidic dissolution promotion agent; and
from about 10 to about 30 wt. % basic dissolution promotion agent,
all based on a total weight of the composition.
14 . The solid concentrated composition of claim 13 further comprising:
from about 1 to about 5 wt. % preservative;
from about 5 to about 15 wt. % humectant;
from about 1 to about 5 wt. % emollient; and
from about 2 to about 10 wt. % fragrance,
all based on a total weight of the composition.
15 . The solid concentrated composition of claim 1 wherein the composition comprises:
about 28 wt. % of the surfactant;
about 50 wt. % of the dissolution promotion agent;
about 9 wt. % of humectant;
about 3 wt. % of preservative;
about 3 wt. % emollient; and
about 6 wt. % fragrance,
all based on a total weight of the composition.
16 . The solid concentrated composition of claim 1 wherein the composition comprises:
about 27 wt. % of sodium methyl cocoyl taurate;
about 1 wt. % of cocamidopropyl betaine, wherein the surfactant is comprised of the sodium methyl cocoyl taurate and the cocamidopropyl betaine;
about 30 wt. % of citric acid;
about 40 wt. % of sodium bicarbonate, wherein the dissolution promotion agent is comprised of the citric acid and the sodium bicarbonate;
about 9 wt. % of sorbitol;
about 3 wt. % of sodium benzoate;
about 3 wt. % of allantoin; and
about 6 wt. % of fragrance,
all based on a total weight of the composition.
17 . A method for preparing a solid concentrated composition of a foaming cleanser, the method comprising:
blending homogeneously a humectant, a surfactant, and a dissolution promotion agent to form a mixture; and
compressing the mixture to form the solid concentrated composition,
wherein the solid concentrated composition is anhydrous, and
wherein the solid concentrated composition is substantially free of sulfates.
18 . The method of claim 17 further comprising blending homogeneously a preservative, emollient, and fragrance with the humectant, the surfactant, and the dissolution promotion agent to form the mixture.
19 . A method for forming a liquid cleansing solution, the method comprising:
dissolving a solid concentrated composition of a foaming cleanser in water to form a transparent solution, wherein:
the solid concentrated composition is formulated to completely dissolve in water at ambient temperature and pressure in less than 90 minutes with no added agitation;
the solid concentrated composition comprises a humectant, a surfactant, and a dissolution promotion agent;
the solid concentrated composition is anhydrous; and
the solid concentrated composition is substantially free of sulfates.
20 . The method of claim 19 wherein the solid concentrated composition is dissolved in water at a composition:water weight ratio of 1:25 to form the liquid cleansing solution.