WO2008043071A2 - Use of spongilla spicules as a dermabrasion device or resurfacing modality - Google Patents
Use of spongilla spicules as a dermabrasion device or resurfacing modality Download PDFInfo
- Publication number
- WO2008043071A2 WO2008043071A2 PCT/US2007/080587 US2007080587W WO2008043071A2 WO 2008043071 A2 WO2008043071 A2 WO 2008043071A2 US 2007080587 W US2007080587 W US 2007080587W WO 2008043071 A2 WO2008043071 A2 WO 2008043071A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- dermabrasive
- spongilla
- powder
- skin
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/56—Materials from animals other than mammals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/98—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution of animal origin
- A61K8/987—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution of animal origin of species other than mammals or birds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/28—Rubbing or scrubbing compositions; Peeling or abrasive compositions; Containing exfoliants
Definitions
- the present invention is directed to dermabrasive compositions suitable for treating skin diseases.
- the dermabrasive compositions of the present invention are purified from fresh water sponges of the phylum Pohfera.
- the dermabrasive compositions of the present invention are applied topically for the treatment of various skin disorders and diseases.
- a chemical peel is a procedure in which a topically applied wounding agent creates smooth, rejuvenated skin by way of an organized repair process. Complications of chemical resurfacing, including permanent sequelae, such as pigmentary dyschromias, infection, or scarring, may occur even though a controlled chemical wound induced.
- Dermabrasion helps to "refinish" the skin's top layers through a method of controlled surgical scraping.
- the treatments soften the sharp edges of surface irregularities, giving the skin a smoother appearance.
- Dermabrasion is most often used to improve the look of facial skin left scarred by accidents or previous surgery, or to smooth out fine facial wrinkles, such as those around the mouth. It's also sometimes used to remove the pre-cancerous growths called keratoses. Dermabrasion can be performed on small areas of skin or on the entire face. It can be used alone, or in conjunction with other procedures such as facelift, scar removal or revision, or chemical peels. Typically dermabrasion is conducted under anesthetic.
- Microdermabrasion is a cosmetic procedure in which the stratum corneum is partially or completely removed by light abrasion.
- Different methods include mechanical abrasion from jets of zinc oxide or aluminum oxide crystals, fine organic particles, or a roughened surface.
- Microdermabrasion is used to remove sun- damaged skin and to remove or lessen scars and dark spots on the skin. The procedure is not very painful and requires no anaesthetic.
- Microdermabrasion can be used medically for scar removal when the scar is raised above the surrounding skin, but is less effective with sunken scars.
- the present invention relates to dermabrasive skin care compositions purified from invertebrate species of the phylum Pohfera.
- a dermabrasive composition for skin comprising a substantially pure powder of a fresh water sponge of the genus Spongilla and at least one pharmaceutically acceptable excipient, wherein the composition comprises insoluble material of the substantially pure powder of Spongilla and wherein the insoluble material comprises skeletal spicules.
- the freshwater sponge is of the species Spongilla lacustris.
- the pharmaceutically acceptable excipient is a carrier gel or liquid.
- the substantially pure powder does not contain any particles larger than 0.2 mm.
- the dermabrasive composition comprises from 0.1 % to 100% substantially pure Spongilla powder.
- the pharmaceutically acceptable excipient is selected from the group consisting of water, glycerin, gels, oils, waxes, emollients, cleansers, fragrances, antiseptics, anesthetics, seaweed powder, coral powder, hydrogen peroxide, enzyme gel, jojoba oil and boric acid.
- water is selected from the group consisting of water for injection, irrigation water, distilled water, deionized water, chamomile water and calendula water.
- Figure 1 graphically depicts different spicule structures occurring in marine and fresh water sponges of the present invention.
- Figure 2A-B are scanning electron micrographs of spicules occurring in marine and fresh water sponges of the present invention.
- Figure 3 depicts the physical appearance of the skin of a subject before ( Figure 3A) and after ( Figure 3B) skin resurfacing with the dermabrasive composition of the present invention.
- Spongilla spicules are effective modality of skin resurfacing and provide a natural alternative approach to microdermabrasion and dermabrasion, chemical peels (glycolic acid, Jessner's, phenol and trichloroacetic acid peels), CO2 laser resurfacing and Erbium laser peels to correct visual facial defects such as hyperpigmentation of various etiology, fine wrinkles, sun damage, and superficial scars, comedones, enlarged pores and facial rejuvenation.
- chemical peels glycolic acid, Jessner's, phenol and trichloroacetic acid peels
- CO2 laser resurfacing to correct visual facial defects such as hyperpigmentation of various etiology, fine wrinkles, sun damage, and superficial scars, comedones, enlarged pores and facial rejuvenation.
- the spicules Upon massaging Spongilla spicules into the skin, the spicules mechanically separate the epidermal layers and reduce keratinocyte cohesion, thereby increasing stratum corneum sloughing and sebum plug and loose keratinocyte removal.
- the present invention relates to novel skin care therapeutics derived from invertebrate species of the phylum Pohfera.
- Poriferans are commonly referred to as sponges.
- the approximately 5,000 living sponge species are classified in the phylum Porifera, which is composed of three distinct groups, the Hexactinellida (glass sponges), the Demospongia, and the Calcarea (calcareous sponges).
- Sponges are multicellular marine animals belonging to a large group of simple animal species known as invertebrates. Sponges originated billions of years ago and are among the oldest animals on earth. Presently, approximately 5,000 species of Sponges are known. Sponges are composed of a soft tissue suspended in a jelly-like proteinaceous matrix supported by a hard skeleton composed of needle-like structures known as spicules. Spicules are primarily composed of calcium carbonate, or silica and collagen.
- Fresh water sponges suitable for use in the compositions of the present invention include, but not limited to, sponges belonging to the species Spongilla lacust ⁇ s L., Spongilla fragilis Leidy, and Ephydatia fluviatilis.
- Spicules are skeletal structures that occur in most marine and fresh water sponges ( Figure 2). They provide structural support for the sponges. Large spicules, visible to the naked eye are referred to as megascleres, while smaller, microscopic ones are termed microscleres ( Figure 1 ). Spicules have four major symmetry types: Monaxon (simple cylinders with pointed ends), triaxon, tetraxon, and polyaxon.
- Sponges can be calcareous, siliceous or composed of spongin.
- the meshing of numerous spicules serves as the sponge's skeleton.
- the composition, size, and shape of spicules are the largest determining factors in sponge taxonomy.
- compositions made in accordance with the teachings of the present invention have been analyzed extensively.
- the dried substantially purified powder of the present invention is an odorless, grayish-red non-hygroscopic powder.
- the powder is partially soluble in water and forms a greenish-red colored solution when mixed in a ratio of 1 part to 3; approximately 50 to 60% percent remains insoluble and comprises the organic fraction including spicules with mechanical-abrasive properties.
- the pH of the soluble fraction is between approximately 7.0 to 7.5 with a mean pH of 7.35; the specific gravity is between approximately 1.04 to 1.07 with a mean specific gravity of 1.058. Peak absorption is observed at between 210 nm to 250 nm when measured between 200 and 900 nm using methods known to those skilled in the art of physical chemistry.
- Table 1 includes a non-limiting representative analysis of the organic and inorganic constituents.
- the Porifera is used to prepare topical dermabrasives is Spongilla lacustris.
- substantially pure refers to a Porifera sp. that has been purified of environmental debris including rocks, sticks, other marine life etc., washed, dried, ground, sieved and sized to form a uniform, reproducible manufactured material.
- Spongilla lacustris is generally preferred for making the compositions of the present invention because this sponge genus is highly tolerate of natural environmental variation and grows extremely well in a wide range of habitats.
- sponge collection can begin using methods commonly known to those skilled in the art of marine biology. For example, sponges can be collected manually using basic under water diving techniques, or in deeper waters larger colonies are harvested using the Agassiz trawl (AGT) or epibenthic sledge (EBS). However, sponges smaller than 0.5 cm in diameter are unlikely to be collected by AGT. Under certain environmental conditions S. lacust ⁇ s colonies occur in a thin crust-like carpet several meters across and must be collected manually.
- AGT Agassiz trawl
- EBS epibenthic sledge
- Freshly collected sponges removed from their aquatic habitat are mucoid amorphous masses and emit a characteristic odor that most observers describe as unpleasant.
- the collected sponge mass Before the collected sponge mass is dried it must be clean of gross contamination including portions of the substrata, shells, stems, plants, small fresh water animals, rocks and other impurities.
- the sponge mass is washed to remove dirt, sand, silt and soluble impurities. The wash water is changed repeatedly until it is clear and the sponges appear free from contamination. After removing gross debris and cleaning, the sponge mass is weighed and dried.
- collected sponge colonies can be sent to the repository, a low-temperature storage facility for their quarantine, delayed processing and further investigation.
- the sponge mass When dried under ambient, open-air conditions temperature, dew point, relative humidity and forecasted precipitation must be closely monitored. If the ambient air temperature is too low or if precipitation is forecasted the sponge mass should be dried inside where temperature and humidity can be controlled. It is not essential that a precise temperature or humidity range be maintained, however, the sponge mass should be maintained within a temperature and humidity range suitable for an uninterrupted evaporative process to proceed. For example, temperatures should be above 60° F and relative humidity should be below 90%. However, it is recommended that the sponge mass should be protected from exposure to atmospheric precipitation and excessive temperatures after collection. The sponge mass is dried until residual moisture content is less than 10%, preferably less than 5%.
- Residual moisture measurements can be performed using methods commonly known in the arts of food sciences, analytical chemistry or the pharmaceutical sciences. For example, 10 grams of dried material is placed on a tared weighing boat and then weighed. The weighed material is then exposed to a heat source such as a drying oven or heat lamp operated at a temperature sufficient to evaporate any remaining free or loosely bound water (non-chemically bound). The sample is then cooled in a desiccated chamber and re-weighed. Residual moisture is calculated as the percent difference between the sample weight before drying and the weight after cooling.
- a heat source such as a drying oven or heat lamp operated at a temperature sufficient to evaporate any remaining free or loosely bound water (non-chemically bound).
- Residual moisture is calculated as the percent difference between the sample weight before drying and the weight after cooling.
- the sponge is packaged in sealed containers, protected from light and maintained in quarantine at 55° to 75 0 F.
- Routine quality control processes are conducted on the dried sponge material consistent with Good Manufacturing Practice Requirements (GMP) and International Standards Organization (ISO) regiments applicable to food, drugs and cosmetics before being released from quarantine and processed further.
- Testing includes microbiological culturing for pathogens, coliform organisms and bioburden. Chemical analysis is also performed to verify the product's identity, potency and purity. All processing after the initial drying phase should be conducted in environmentally controlled facilities that comply with GMP and ISO guidelines. Manufacturing personnel must be trained in GMP and ISO procedures and all manufacturing process closely monitored and recorded.
- the raw, dried sponge material is further purified, refined and processed to a standard particle size using sieves.
- the dried sponge is extremely fragile and requires only slight, gentle grinding to form a consistently fine particulate.
- the dried sponges collected and processed in accordance with the teachings of the present invention should not be processed using aggressive grinding techniques, rather the dried sponge is processed gently to avoid crushing debris that may be present in the sample.
- shells from aquatic mollusks may contaminate the crude sample; grinding of the crude sponge preparation should be conducted in a fashion that will not pulverize the contaminating shells to a degree that they would not be removed in the sieving processes.
- Several grinding and sieving steeps are performed to reduce average particle size to no more than 0.2 mm.
- First a course grind and sieving process is used to reduce particle size to at least 2 mm. This initial sieving process also permits visual inspection and removal of remaining non-sponge debris and is followed by subsequent grinding and sieving processes where the raw material is ultimately reduced to no more than 0.2 mm particles.
- the sized material is ground and sieved again to reduce particle size to no more than 0.2 mm.
- the desiccated sponge powder is ground, it is further purified and separated from contaminants by processing the powder with sieves having progressively smaller apertures (1 mm, 0.5 mm, and 0.2 mm respectively). All processing is conducted under GMP conditions.
- the purified dried sponge material is packaged in airtight moisture-proof containers and stored in the dark at 55° to 75 0 F under desiccated conditions. No preservatives are required due to the natural antimicrobial properties of the Spongilla powder.
- the purified Spongilla powder collected, processed and stored in accordance with the teachings of the present invention is stable for a minimum of three years and six months. However, accelerated testing data may suggest much longer stability periods (up to 10 years).
- the dermabrasive compositions of the present invention comprise from approximately 0.1 % to 100% substantially pure Spongilla powder and can optionally compounded with pharmaceutical excipients including, but not limited to water, saline, buffered phosphate, oils, gels, waxes, emollients, glycerin, cleansers, fragrances, colorings, antiseptics and anesthetics.
- suitable waters include water for injection, irrigation water, distilled water, deionized water, and floral water among others. Even clean tap water is acceptable for some applications.
- concentrations of the aforementioned excipients can range from 0.001 % to 50% or more depending on the requirements and at the sexual experience of the formulation scientist, pharmacist or prescribing physician.
- excipients that may be used in accordance with the teachings of the present invention may include from approximately 0.1 % to 25% coral powder, from approximately 0.1 % to 25% seaweed powder, from approximately 0.1 % to 10% hydrogen peroxide and from approximately 0.1 to 10% of an inorganic or organic acid such as, but not limited to boric acid, hydrochloric, ascorbic acid, salicylic acid, and others.
- the therapeutic compositions of the present invention generally comprise from 0.8 to 1.5 grams of substantially pure Spongilla powder, and at least one additional excipient selected from the group consisting of from 0.1 to 0.5 grams of green seaweed powder, from 0.1 to 0.5 grams of white seaweed powder, from 0.1 to 0.5 grams of coral powder, from 0.1 to 0.5 grams of Plantain powder, from 0.5 ml_ to 5 ml_ of 0.1 % to 10% hydrogen peroxide, from 0.5 ml_ to 5 ml_ of 0.1 % to 10% boric acid and from 0.5 to 5 ml_ of water, from 0.5 ml_ to 5 ml_ enzyme gel (comprising water, hydroxyethylcellulose, hyaluronic acid, propylene glycol, methylparaben, tetrasodium EDTA and propylparaben in proportions suitable for topical applications as known to those skilled in the art), from 0.5 ml_ to 10 ml_ jojob
- excipients such as, but not limited to saline, buffered phosphate, oils, waxes, emollients, glycerin, cleansers, fragrances, colorings, antiseptics and anesthetics may be added as desired or required.
- spicules Upon massaging substantially pure Spongilla powder into the skin, spicules penetrate epidermis creating controlled microscopical injuries to the skin. By doing so, they activate a wound healing responses which are normally take place in a natural restorative response to tissue injury. Observed erythema is due to the increased blood circulation in the treated skin. Vasodilation is an important means by which the wound can be exposed to increased blood flow, accompanied by the necessary inflammatory cells and factors that fight infection and debride the wound of devitalized tissue. Increased blood circulation helps to dissolve bruises, stagnant spots and infiltrates
- Wound healing responses stimulate new cell growth, elastin and collagen production and improve skin tone and texture.
- Penetrating spicules additionally aid in the delivery of bioactive compounds to the dermis. Furthermore, spicules open pores and prevent future occlusion and consequent formation of comedones.
- Spongilla spicules can be used as a resurfacing modality that rejuvenates the skin, removes old, debilitated or dead cells from the skin's outer layer without harming the younger, living cells and result in softer, smoother skin.
- compositions made in accordance with the teachings of the presently invention may contain 1.5 g of substantially pure Spongilla powder, 0.5 ml_ hydrogen peroxide, 2 ml_ of 5% boric acid, 1 gram of green sea weed powder and 10 ml_ of floral water. This composition would then be claimed as follows: 1.5 parts of substantially pure Spongilla powder, 0.5 parts 3% hydrogen peroxide, 2 parts of 5% boric acid, 1 part of green sea weed powder and 10 parts of floral water; etc.
- a sufficient amount of substantially pure spongilla powder for one application of the treatment for the face (approximately 0.5 gram of the spongilla powder for the face), chest, neck, shoulders or other area of the skin that intended to be treated was mixed with a carrier in ratios from 1 :2 or greater until resulted mixture (resurfacing treatment) appears as a thin paste of fairly homogeneous consistency.
- exemplary carriers include, but are not limited to, gels, water, oils, hydrogen peroxide or other liquids.
- the treated area is massaged again after the composition has dried on the skin with carrier that was used for mixing the purified spongilla powder.
- the dried dermabrasive composition is rinsed from the skin with cold or warm water. Additionally, an emollient cleanser can be used.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07843921A EP2073824A2 (en) | 2006-10-05 | 2007-10-05 | Use of spongilla spicules as a dermabrasion device or resurfacing modality |
AU2007303040A AU2007303040A1 (en) | 2006-10-05 | 2007-10-05 | Use of Spongilla spicules as a dermabrasion device or resurfacing modality |
US12/444,495 US20100080853A1 (en) | 2006-10-05 | 2007-10-05 | Use of Spongilla Spicules as a Dermabrasion Device or Resurfacing Modality |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82832406P | 2006-10-05 | 2006-10-05 | |
US60/828,324 | 2006-10-05 |
Publications (2)
Publication Number | Publication Date |
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WO2008043071A2 true WO2008043071A2 (en) | 2008-04-10 |
WO2008043071A3 WO2008043071A3 (en) | 2008-11-20 |
Family
ID=39269250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/080587 WO2008043071A2 (en) | 2006-10-05 | 2007-10-05 | Use of spongilla spicules as a dermabrasion device or resurfacing modality |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100080853A1 (en) |
EP (1) | EP2073824A2 (en) |
KR (1) | KR20090087877A (en) |
CN (1) | CN101626775A (en) |
AU (1) | AU2007303040A1 (en) |
RU (1) | RU2009116923A (en) |
WO (1) | WO2008043071A2 (en) |
Cited By (3)
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GR1009042B (en) * | 2016-03-15 | 2017-05-25 | Μιχαλης Νικολαου Σταμπος | A set of face and body mask and gel |
WO2017186046A1 (en) * | 2016-04-27 | 2017-11-02 | 厦门大学 | Cutaneous penetration enhancement method and cutaneous penetration enhancer thereof |
WO2019029154A1 (en) * | 2017-08-07 | 2019-02-14 | 厦门大学 | Transdermal composition and use thereof in preparation of transdermal formulation |
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US20120191019A1 (en) * | 2010-07-24 | 2012-07-26 | Medicis Technologies Corporation | Apparatus and methods for non-invasive body contouring |
KR101323613B1 (en) * | 2011-12-02 | 2013-11-01 | 주식회사 에스알바이오텍 | cosmetic composition for skin exfoliation comprising coated microspicules |
WO2013188926A1 (en) * | 2012-06-22 | 2013-12-27 | The University Of Queensland | Method and composition for delivering a compound through a biological barrier |
JP2014028765A (en) * | 2012-07-31 | 2014-02-13 | Shigeo Tanaka | Coating material for massage for hair restoration or hair growth |
CN106166326A (en) * | 2016-08-19 | 2016-11-30 | 王子元 | A kind of non-intervention introduction method |
KR101895038B1 (en) * | 2016-12-15 | 2018-09-04 | 주식회사 제닉 | Dissolvable film comprising spicule and use thereof |
KR101908408B1 (en) * | 2017-01-13 | 2018-10-16 | 주식회사 아미코스메틱 | A cosmetic composition for skin desquamation comprising spicule powder and natural powder |
KR101851742B1 (en) * | 2017-01-16 | 2018-04-24 | 주식회사 뷰렌코리아 | Cosmetic composition containing porifera spicule coated with sawhangsan and method for manufacturing the same |
KR102093543B1 (en) * | 2018-01-17 | 2020-03-25 | 주식회사 네이처프론트 | Composition for washing hair and scalp to prevent hair losing and to promote hair growth and method for preparing the same |
CN112584856A (en) * | 2018-06-13 | 2021-03-30 | 德玛塔疗法有限责任公司 | Composition for treating skin disorders |
KR101933685B1 (en) * | 2018-06-29 | 2018-12-28 | 주식회사 에스알바이오텍 | Drug Coated Microneedle and Manufacturing Method Thereof |
KR102113645B1 (en) * | 2018-08-01 | 2020-05-22 | 주식회사 아미코스메틱 | A cosmetic composition for preventing hair loss and promoting hair growth containing spicule powder and natural extract |
CN111744052B (en) * | 2019-03-27 | 2021-07-09 | 厦门大学 | Preparation method of spongy hemostatic material |
WO2021016118A1 (en) * | 2019-07-23 | 2021-01-28 | Dermata Therapeutics, Llc | Compositions for the treatment of conditions by dermal fillers |
CN110859794A (en) * | 2019-10-10 | 2020-03-06 | 深圳市人民医院 | Exosome transdermal delivery preparation and application thereof |
AU2021394765A1 (en) * | 2020-12-09 | 2023-06-29 | Dermata Therapeutics, Inc. | Compositions for the treatment of skin conditions |
KR102404932B1 (en) * | 2022-02-24 | 2022-06-07 | (주)비엔 | Method for manufacturing spicule coated with diamond and ingredients effective for skin improvement, and diamond spicule cosmetic composition including the same |
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- 2007-10-05 WO PCT/US2007/080587 patent/WO2008043071A2/en active Application Filing
- 2007-10-05 RU RU2009116923/15A patent/RU2009116923A/en not_active Application Discontinuation
- 2007-10-05 CN CN200780045198A patent/CN101626775A/en active Pending
- 2007-10-05 US US12/444,495 patent/US20100080853A1/en not_active Abandoned
- 2007-10-05 AU AU2007303040A patent/AU2007303040A1/en not_active Abandoned
- 2007-10-05 KR KR1020097009067A patent/KR20090087877A/en not_active Application Discontinuation
- 2007-10-05 EP EP07843921A patent/EP2073824A2/en not_active Withdrawn
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MANCONI R. ET AL.: 'Global Diversity of Sponges (Porifera: Spongillina) in Fresh Water' HYDROBIOLOGIA vol. 595, no. 1, pages 27 - 33, XP019573418 * |
REKA FARM-Printed from http://www.reka.farm.ru.prod_e.htm 04142008. Entire document * |
Cited By (5)
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GR1009042B (en) * | 2016-03-15 | 2017-05-25 | Μιχαλης Νικολαου Σταμπος | A set of face and body mask and gel |
WO2017186046A1 (en) * | 2016-04-27 | 2017-11-02 | 厦门大学 | Cutaneous penetration enhancement method and cutaneous penetration enhancer thereof |
US10555896B2 (en) | 2016-04-27 | 2020-02-11 | Xiamen University | Skin penetration enhancing method and its penetration enhancer |
WO2019029154A1 (en) * | 2017-08-07 | 2019-02-14 | 厦门大学 | Transdermal composition and use thereof in preparation of transdermal formulation |
US11413237B2 (en) | 2017-08-07 | 2022-08-16 | Xiamen University | Skin penetration enhancing composition and use thereof in preparation of skin delivery formulation |
Also Published As
Publication number | Publication date |
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WO2008043071A3 (en) | 2008-11-20 |
CN101626775A (en) | 2010-01-13 |
AU2007303040A1 (en) | 2008-04-10 |
EP2073824A2 (en) | 2009-07-01 |
RU2009116923A (en) | 2010-11-10 |
KR20090087877A (en) | 2009-08-18 |
US20100080853A1 (en) | 2010-04-01 |
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