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(12) Patent Application Publication (10) Pub. No.: US 2006/0165623 A1 Workman Et Al

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(12) Patent Application Publication (10) Pub. No.: US 2006/0165623 A1 Workman Et Al US 2006O165623A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2006/0165623 A1 Workman et al. (43) Pub. Date: Jul. 27, 2006 (54) NATURAL IDEODORANT COMPOSITION (57) ABSTRACT (75) Inventors: Tanya Workman, Mansonville (CA); Svetlana Ratnikova, Toronto (CA) The present invention relates to a natural deodorant system and a natural system for topical and systemic delivery of Correspondence Address: active ingredients, both systems being primarily free of Louis C. Paul, Esq. preferably substantially free of more preferably essentially CTSW free of, and most preferably completely free of ethoxylates Suite 2400 or other petrochemical derivatives, and comprising: (a) at least one of (1) glycerine (preferably of plant origin), (2) a 420 Lexington Avenue polyol selected from the group consisting of galactitol, New York, NY 10170 (US) erythritol, inositol, ribitol, dithioerythritol, dithiothreitol, (3) a Sugar alcohol, selected from the group consisting of (73) Assignee: Terra Firma Natuals, Inc. mannitol, Sorbitol. Xylitol and maltitol, (4) a hydrogenated starch hydrosylates of at least one of berries, apples or (21) Appl. No.: 11/042,569 plums, and (5) mixtures thereof; (b) water or a lower monohydric alcohol, selected from the group of methanol, (22) Filed: Jan. 24, 2005 ethanol, propanol and isoproponal, or mixtures thereof, present at a combined concentration of at least 20%; (c) one Publication Classification or more carrageenans (preferably of plant origin) or algi nates, or mixtures thereof, present in combined concentra (51) Int. C. tions of less than about 2%; and (d) optionally, one or more A6 IK 8/73 (2006.01) thickeners or gums selected from the group consisting of tara, guar, Xanthan, Arabic, tragacanth, agar, locust bean (52) U.S. Cl. ........................................... 424/65; 424/70.13 gum, ghatti and microcrystalline celluloses. US 2006/0165623 A1 Jul. 27, 2006 NATURAL IDEODORANT COMPOSITION tion or loss of potency of an active ingredient. An emulsifier commonly used in deodorants is Polysorbate 20, an ethoxy CROSS-REFERENCE TO RELATED lated sorbitan ester. APPLICATIONS 0008 Among the synthetic ingredients commonly used 0001. Not Applicable. in deodorants, there have been reported associations with adverse health effects, including skin irritation, allergic STATEMENT REGARDING reactions, chemical sensitivity and, in sensitive Subpopula tions (e.g., children and elderly), breakdown of the skin FEDERALLY SPONSORED RESEARCH OR barrier. Some synthetic ingredients used in deodorants are DEVELOPMENT the Subject of ongoing investigations into potential longer 0002) Not Applicable. term health consequences, including toxicity and carcino genicity. These concerns have been raised, in part, because FIELD OF THE INVENTION the proximity of the underarm skin to the Sweat and lymph glands could lead to systemic absorption of potentially 0003) The field of invention of the present invention injurious chemicals. relates to a deodorant composition for use in cosmetic, 0009 For the reasons mentioned above, the use of glyc personal care. The invention particularly relates to a natural erin and derivatives in “natural deodorant products is on the deodorant composition comprising carrageenan and/or algi rise, particularly in the health foods/natural products' mar nates that is primarily free of ethoxylates and other petro ket. According to one study, vegetable glycerin is now used chemical derivatives. The invention also relates to a system in approximately 40% of “natural deodorant stick formu for topical delivery of natural ingredients comprising carra lations. Other common ingredients in “natural deodorant geenan and/or alginates that is primarily free of ethoxylates glycerin Sticks include Sodium Stearate (as an emulsifier) and and other petrochemical derivatives. lichen, grapefruit seed extract and ethylhexylglycerine (as bacteriostats). Grapefruit seed extract, however, is often BACKGROUND OF THE INVENTION mistakenly assumed to be a “natural ingredient. A study of 0004 Perspiration produced in the apocrine sweat glands six commercially-available grapefruit seed extracts con of the armpits (axilla) contains proteins and fatty acids. cluded that antimicrobial activity of this ingredient was While initially odorless, this sweat becomes malodorous attributable to the presence of synthetic preservative agents. when bacteria on the skin and hair metabolize the proteins Benzethonium chloride was detected by thin layer chroma and fatty acids. The problem of odoriferous sweat break tography in five of the six extracts tested. Three extracts down products is generally addressed in two ways by were found to contain two additional synthetic preserva personal care products—antiperspirancy and deodorancy. tives—triclosan and methyl paraben. S. Sakamoto, “Analy sis of components in natural food additive grapefruit seed 0005 Antiperspirancy commonly is achieved by topi extract by HPLC and LC/MS,Pharmazie 54(6): 452-6 cally applying a composition containing a metal salt, such as (June 1999). Ethylhexylglycerin, sold under the tradename an astringent aluminum or aluminum/zirconium salt. An Sensiva SC 50 by Schilke and Mayr, likewise is not a influx of aluminum ions into secretory coil cells of human “natural ingredient. According to product literature, Sen Sweat glands are accompanied by an influx of water, causing Siva SC 50 is a synthetic representative of 1-alkyl glycerin the Sweat gland cells to Swell. Squeezing the Sweat ducts ether. closed, and stopping perspiration. An undesired conse quence of antiperspirancy is that by blocking the glands that 0010 Clear Enzyme Deodorant (Alba Botanica) and produce Sweat an important conduit for excretion of toxins Herbal Clear PG Free (Herbal Care Systems, Inc.) are is impeded. Additionally, some synthetic chemicals used in examples of commercially available “natural’ glycerin antiperspirants may be associated with allergic reactions, deodorant sticks containing vegetable glycerin, sodium stearate and lichen. In order to stabilize, solubilize, emulsify adverse health effects and/or cause discoloration of clothing. and/or clarify vegetable glycerine, these “natural deodorant 0006 For the above reasons, an increasing number of Stick formulation contain one or more ethoxylated ingredi consumers seek personal care products that address malodor ents. The Alba Botanica and Herbal Care products include through deodorancy. Deodorants function in several ways. Steareth-100, the polyethylene glycol ether of stearyl alco Some mask the odor from bacterial breakdown products; hol, acting as a Surfactant. Alcohol ethoxylates, like Ste others react with the bacterial byproducts that cause odor. areth-100, are commonly used in “natural deodorant sticks. Still others achieve deodorancy by inhibiting bacterial Indeed, the inventors are unaware of any prior art water growth. based vegetable glycerine-based deodorant system that is 0007 Deodorant products currently on the market con both stable and does not contain an ethoxylate or other tain at least one, and often several, man-made, synthetic petrochemical derivative. chemical ingredient. In many deodorants, a synthetic ingre 0011 Since their introduction more than twenty years dient functions as a bacteriostatic agent, (e.g., triclosan, ago, Volatile silicone compounds have been used to improve ethylhexylglycerine, phenolic derivatives, quaternary application of deodorant sticks and gels. They impart a ammonium compounds). Some synthetic ingredients also non-greasy skin feel and reduce whitening. Carrageenans serve as emulsifiers, clarifiers, solubilizers and stabilizers, are used in the present invention to achieve the same benefits many after being ethoxylated. For purposes of the present but in a natural system. Carrageenan provides excellent invention, the term “stabilizer” means an ingredient that product application, helps to forms a thin non-greasy layer prevents breakdown of an emulsion into its component parts which retains the antibacterial actives and does not tend to and/or an ingredient that prevents degradation, decomposi whiten clothes. US 2006/0165623 A1 Jul. 27, 2006 0012. The use of carrageenans in deodorant products as alcohol, selected from the group consisting of mannitol, part of gelling systems in personal care products is known. Sorbitol. Xylitol and maltitol, (4) a hydrogenated Starch For example, U.S. Pat. No. 6,312.702 teaches a solid cos hydrosylates of at least one of berries, apples or plums, or metic composition free of fillers comprising water and less mixtures thereof; (b) water or a lower monohydric alcohol, than 20% based on total weight of the composition of a selected from the group of methanol, ethanol, propanol and hydrophilic gelling system. (Unless otherwise indicate, 96 as isoproponal, or mixtures thereof, present at a combined used in this application refers to percent by weight of the concentration of at least 20%; (c) one or more carrageenans total composition.) The hydrophilic gelling system taught in (preferably of plant origin) or alginates, or mixtures thereof, the 702 patent consists essentially of a combination of at present in combined concentrations of less than 2%; and (d) least 2% kappa-carrageenan, relative to the total weight of at least one natural deodorant ingredient. The combined the composition, and at least one Xanthan gum, Soluble concentration of water and one or more of glycerine, galac cellulose derivatives and optionally an additional carrag titol, erythritol, inositol,
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