HYGIENE PRODUCT POD AND METHODS OF USING SAME
A hygiene product, a hygiene product pod, and a method of using the hygiene product pod, the hygiene product pod including a water soluble envelope and the hygiene product sealed in the envelope. The hygiene product includes a carrier comprising butylene glycol in an amount ranging from about 40 wt % to about 70 wt %, based on the total weigh of hygiene product, and an active agent including at least one surfactant.
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10 . A single-use hygiene product pod comprising:
a water-soluble envelope; and
a hygiene product sealed in the envelope, the hygiene product comprising:
a carrier comprising butylene glycol in an amount ranging from about 25 wt % to about 70 wt %, based on the total weight of the hygiene product; and
an active agent comprising at least one surfactant.
11 . The pod of claim 10 , wherein:
the butylene glycol comprises 1,3-butanediol; and
the hygiene product comprises from about 40 wt % to about 65 wt % 1,3-butanediol, based on the total weight of the hygiene product.
12 . The pod of claim 10 , wherein the envelope has a pH ranging from about 4.0 to about 9.0, at a temperature of about 25° C.
13 . The pod of claim 10 , wherein the envelope comprises a polyvinyl alcohol (PVOH) film or a woven or non-woven polyvinyl alcohol (PVOH) fiber.
14 . The pod of claim 10 , wherein the envelope has a thickness ranging from about 0.5 mm to about 5.0 mm.
15 . The pod of claim 10 , wherein the hygiene product has a free water content of about 20 wt % or less, based on the total weight of the hygiene product.
16 . The pod of claim 10 , wherein the hygiene product further comprises a thickener configured to reduce diffusion of the carrier through the envelope.
17 . The pod of claim 16 , wherein the thickener comprises a lamellar gel network comprising a nonionic surfactant in an amount ranging from about 12 wt % to about 18 wt %, based on the total weight of the hygiene product.
18 . The pod of claim 16 , wherein the thickener comprises carboxymethyl cellulose in an amount ranging from about 0.15 wt % to about 0.25 wt %, based on the total weight of the hygiene product.
19 . A single-use hygiene product pod comprising:
a water-soluble envelope; and
a hygiene product sealed in the envelope, the hygiene product comprising:
a carrier comprising butylene glycol in an amount ranging from about 40 wt % to about 70 wt %, based on the total weight of hygiene product; and
an active agent comprising at least one surfactant.
20 . The hygiene product pod of claim 19 , wherein:
the butylene glycol comprises 1,3-butanediol;
the hygiene product further comprises carboxymethyl cellulose in an amount ranging from about 0.15 wt % to about 0.25 wt %, based on the total weight of the hygiene product;
the envelope comprises a polyvinyl alcohol (PVOH) film or a woven or non-woven polyvinyl alcohol (PVOH) fiber; and
the active agent comprises at least two compounds selected from:
sodium cocoyl isethionate;
cocamidopropyl betaine;
capryloyl/caproyl methyl glucamide and lauroyl/myristoyl methyl glucamide;
cocamidopropyl PG-dimonium chloride phosphate;
linoleamidopropyl PG-dimonium chloride phosphate; or lauramine oxide.
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