# US 2026/0076884 A1 · Dry shampoo and related methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0076884 A1 - Document ID: US20260076884A1 - Status: Published application - Kind: A1 - Application number: 19/326,211 - Filed: 2025-09-11 - Published: 2026-03-19 - Earliest claimed: 2024-09-13 - Assignees: PLZ Corp. - Applicants: PLZ Corp. - Inventors: Ian Joshua FISHMAN; Jorge Alfredo POLANCO; Alfonso Cecilio MORENO - Web page: https://patentgrep.com/patent/US20260076884A1 ## CPC - A61K 8/33: containing oxygen - A61K 8/046: {Aerosols; Foams} - A61K 8/19: containing inorganic ingredients - A61K 8/25: Silicon; Compounds thereof - A61K 8/34: Alcohols - A61K 8/345: {containing more than one hydroxy group} - A61K 8/37: Esters of carboxylic acids - A61K 8/732: {Starch; Amylose; Amylopectin; Derivatives thereof} - A61K 8/922: {of vegetable origin} - A61Q 5/02: Preparations for cleaning the hair - A61K 2800/30: Characterized by the absence of a particular group of ingredients - A61K 2800/34: Free of silicones - A61K 2800/87: Application Devices; Containers; Packaging - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS ## Abstract This disclosure relates to dry shampoo compositions. In particular, the present disclosure pertains to dry shampoo compositions that are environmentally friendly yet effective. The dry shampoo compositions provided herein may function, in part, by absorbing excess oil and sebum from the scalp and hair, thereby reducing the appearance of greasiness and extending the time between conventional washes. ## Claims ### Claim 1 A dry shampoo composition comprising, by weight percent of the total composition: about 70.0 wt % to about 85.0 wt % dimethyl ether; about 5.0 wt % to about 15.0 wt % isopropyl alcohol; about 8.0 wt % to about 12.0 wt % rice starch; about 0.1 wt % to about 1.0 wt % silica; about 0.05 wt % to about 0.5 wt % isopropyl palmitate; and optionally, about 0.05 wt % to about 1.0 wt % fragrance, wherein the composition is substantially free of talc and water, and wherein the composition exhibits a maximum incremental reactivity (MIR) value of less than 0.72. ### Claim 2 (depends on 1) The dry shampoo composition of claim 1, wherein the dimethyl ether is present in an amount of about 78.0 wt % to about 82.0 wt %. ### Claim 3 (depends on 1) The dry shampoo composition of claim 1, further comprising cetrimonium chloride in an amount of from about 9.0 wt % to about 11.0 wt %. ### Claim 4 (depends on 1) The dry shampoo composition of claim 1, wherein the isopropyl alcohol is present in an amount of about 9.0 wt % to about 10.0 wt %. ### Claim 5 (depends on 1) The dry shampoo composition of claim 1, wherein the silica comprises fumed silica in an amount of about 0.2 wt % to about 0.3 wt %. ### Claim 6 (depends on 1) The dry shampoo composition of claim 1, wherein the silica comprises a spherical morphology and an oil absorption capacity of at least 200 mL/100 g. ### Claim 7 (depends on 1) The dry shampoo composition of claim 1, wherein the composition is dispensed via a spraying device comprising a vapor tap orifice having a diameter of about 0.010 inches to about 0.040 inches and a spray rate of about 0.75 g/s to about 1.2 g/s. ### Claim 8 A dry shampoo composition comprising, by weight percent of the total composition: about 50.0 wt % to about 70.0 wt % dimethyl ether; about 15.0 wt % to about 30.0 wt % water; about 5.0 wt % to about 15.0 wt % ethanol; about 0.1 wt % to about 2.0 wt % of a preservative comprising phenoxyethanol and ethylhexylglycerin; about 0.005 wt % to about 0.1 wt % a polymeric film-former comprising PVM/MA decadiene crosspolymer; about 0.001 wt % to about 0.1 wt % a pH adjusting agent comprising sodium hydroxide; about 0.1 wt % to about 1.0 wt % glycerin; about 0.5 wt % to about 2.0 wt % propanediol; about 0.05 wt % to about 0.5 wt % tetrasodium glutamate diacetate; about 0.5 wt % to about 2.0 wt % a hydrophobic emollient comprising C13-15 alkane and heptyl undecylenate; about 0.1 wt % to about 1.0 wt % terpinolene; and about 2.0 wt % to about 6.0 wt % an oil-absorbing component, wherein the composition exhibits a maximum incremental reactivity (MIR) value of less than 0.72. ### Claim 9 (depends on 8) The dry shampoo composition of claim 8, wherein the oil-absorbing component comprises silica including: (a) a median particle size of less than 10 microns; and (b) a spherical morphology and oil absorption capacity of at least 200 mL/100 g; ### Claim 10 (depends on 8) The dry shampoo composition of claim 8, wherein the composition is dispensed via a spraying device comprising a vapor tap orifice having a diameter of about 0.010 inches to about 0.040 inches and at a spray rate of about 0.75 g/s to about 1.2 g/s. ### Claim 11 (depends on 8) The dry shampoo composition of claim 8, wherein the composition comprises from about 20.0 wt % to about 25.0 wt % water as a solvent. ### Claim 12 (depends on 8) The dry shampoo composition of claim 8, wherein the composition includes from about 0.30 wt % to about 0.50 wt % of a preservative selected from the group consisting of phenoxyethanol and ethylhexylglycerin. ### Claim 13 (depends on 9) The dry shampoo composition of claim 9, wherein the oil-absorbing component comprises from about 3.0 wt % to about 5.0 wt % spherical silica. ### Claim 14 A dry shampoo composition comprising, by weight percent of the total composition: about 30.0 wt % to about 90.0 wt % of a first propellant; about 30.0 wt % to about 90.0 wt % of a second propellant; about 5.0 wt % to about 40.0 wt % of at least one alcohol; about 1.0 wt % to about 20.0 wt % of at least one starch; up to about 5.0 wt % of a citric acid; up to about 5.0 wt % of lactic acid; up to about 5.0 wt % hectorite clay; up to about 5.0 wt % of at least one fragrance; and up to about 5.0 wt % of at least one chelating agent comprising: from about 35.0 wt % to about 63.9 wt % sodium polyitaconate, from about 35.0 wt % to about 61.0 wt % sodium citrate and from about 0.10 wt % to about 5.0 wt % Sapindus mukorossi fruit extract, wherein the composition exhibits a maximum incremental reactivity (MIR) value of less than 0.74. ### Claim 15 (depends on 14) The dry shampoo composition of claim 14, wherein the at least one alcohol is isopropyl alcohol present in an amount of from about 10.0 wt % to about 12.0 wt %. ### Claim 16 (depends on 14) The dry shampoo composition of claim 14, wherein the first propellant is butane and the second propellant is propane, each present in an amount of from about 35.0 wt % to about 45.0 wt %. ### Claim 17 A dry shampoo composition comprising by weight percent of the total composition: about 30.0 wt % to about 90.0 wt % of a first propellant; about 30.0 wt % to about 90.0 wt % of a second propellant; about 5.0 wt % to about 40.0 wt % of an alcohol; about 1.0 wt % to about 20.0 wt % of a starch; up to about 5.0 wt % of isopropyl isostearate; up to about 5.0 wt % of sea buckthorn seed oil; up to about 5.0 wt % of at least one odor neutralizer, up to about 5.0 wt % hectorite clay; and up to about 5.0 wt % of at least one fragrance, wherein the composition exhibits a maximum incremental reactivity (MIR) value of less than 0.74. ### Claim 18 (depends on 17) The dry shampoo composition of claim 17, wherein the at least one alcohol is isopropyl alcohol present in an amount of from about 10.0 wt % to about 12.0 wt %. ### Claim 19 A method of refreshing or cleansing hair without water, the method comprising: providing a dry shampoo composition; and dispensing the dry shampoo composition to the scalp or hair of a subject in need thereof to reduce oiliness and refresh the hair without rinsing, wherein the dry shampoo composition comprises: about 70.0 wt % to about 85.0 wt % dimethyl ether; about 5.0 wt % to about 15.0 wt % isopropyl alcohol; about 8.0 wt % to about 12.0 wt % rice starch; about 0.1 wt % to about 1.0 wt % silica; about 0.05 wt % to about 0.5 wt % isopropyl palmitate; and optionally, about 0.05 wt % to about 1.0 wt % fragrance, wherein the composition is substantially free of talc and water, and wherein the composition exhibits a maximum incremental reactivity (MIR) value of less than 0.72; or wherein the dry shampoo composition comprises: about 50.0 wt % to about 70.0 wt % dimethyl ether; about 15.0 wt % to about 30.0 wt % water; about 5.0 wt % to about 15.0 wt % ethanol; about 0.1 wt % to about 2.0 wt % a preservative comprising phenoxyethanol and ethylhexylglycerin; about 0.005 wt % to about 0.1 wt % a polymeric film-former comprising PVM/MA decadiene crosspolymer; about 0.001 wt % to about 0.1 wt % a pH adjusting agent comprising sodium hydroxide; about 0.1 wt % to about 1.0 wt % glycerin; about 0.5 wt % to about 2.0 wt % propanediol; about 0.05 wt % to about 0.5 wt % tetrasodium glutamate diacetate; about 0.5 wt % to about 2.0 wt % a hydrophobic emollient comprising C13-15 alkane and heptyl undecylenate; about 0.1 wt % to about 1.0 wt % terpinolene; and about 2.0 wt % to about 6.0 wt % an oil-absorbing component, wherein the composition exhibits a maximum incremental reactivity (MIR) value of less than 0.72, or about 30.0 wt % to about 90.0 wt % of a first propellant; about 30.0 wt % to about 90.0 wt % of a second propellant; about 5.0 wt % to about 40.0 wt % of at least one alcohol; about 1.0 wt % to about 20.0 wt % of at least one starch; up to about 5.0 wt % of a citric acid; up to about 5.0 wt % of lactic acid; up to about 5.0 wt % hectorite clay; up to about 5.0 wt % of at least one fragrance; and up to about 5.0 wt % of at least one chelating agent that includes from about 35.0 wt % to about 63.9 wt % sodium polyitaconate, about 35.0 wt % to about 61.0 wt % sodium citrate and about 0.10 wt % to about 5.0 wt % Sapindus mukorossi fruit extract, wherein the composition exhibits a maximum incremental reactivity (MIR) value of less than 0.74, or about 30.0 wt % to about 90.0 wt % of a first propellant; about 30.0 wt % to about 90.0 wt % of a second propellant; about 5.0 wt % to about 40.0 wt % of an alcohol; about 1.0 wt % to about 20.0 wt % of a starch; up to about 5.0 wt % of isopropyl isostearate; up to about 5.0 wt % of sea buckthorn seed oil; up to about 5.0 wt % of at least one odor neutralizer, up to about 5.0 wt % hectorite clay; and up to about 5.0 wt % of at least one fragrance; wherein the composition exhibits a maximum incremental reactivity (MIR) value of less than 0.74, and wherein each wt % is based on the total weight of the respective dry shampoo composition. ### Claim 20 (depends on 19) The method of claim 19, wherein dispensing the dry shampoo composition comprises spraying the composition from a pressurized container through a spraying device, the spraying device comprising a vapor tap orifice having a diameter of about 0.010 inches to about 0.040 inches, and wherein the composition is dispensed at a rate of about 0.75 g/s to about 1.2 g/s.